Home / 72,701,319.64-100,326,206.34-40,106,263

Finding the Fourth Proportional to 72,701,319.64, 100,326,206.34 and 40,106,263

Calculator

Solution

The fourth proportional to 72,701,319.64, 100,326,206.34 and 40,106,263 is: 55,345,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,701,319.64 : 100,326,206.34 = 40,106,263 : x
  2. Step 2: Convert to fraction form
    72,701,319.64/100,326,206.34 = 40,106,263/x
  3. Step 3: Cross multiply
    72,701,319.64x = 100,326,206.34 × 40,106,263
  4. Step 4: Simplify right side
    72,701,319.64x = 4,023,709,217,264,307.50
  5. Step 5: Solve for x
    x = 4,023,709,217,264,307.50/72,701,319.64
  6. Step 6: Final answer
    x = 55,345,752.14

Related Problems

Find fourth proportional to 36,350,659.82, 50,163,103.17 and 20,053,131.50
Half scale
Find fourth proportional to 145,402,639.28, 200,652,412.68 and 80,212,526
Double scale
Find fourth proportional to 72,701,320.64, 100,326,207.72 and 40,106,264
Similar ratio
Find fourth proportional to 109,051,979.46, 150,489,309.51 and 60,159,394.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.