Home / 40,824,145.80-61,236,218.70-20,416,811.40

Finding the Fourth Proportional to 40,824,145.80, 61,236,218.70 and 20,416,811.40

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Solution

The fourth proportional to 40,824,145.80, 61,236,218.70 and 20,416,811.40 is: 30,625,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,824,145.80 : 61,236,218.70 = 20,416,811.40 : x
  2. Step 2: Convert to fraction form
    40,824,145.80/61,236,218.70 = 20,416,811.40/x
  3. Step 3: Cross multiply
    40,824,145.80x = 61,236,218.70 × 20,416,811.40
  4. Step 4: Simplify right side
    40,824,145.80x = 1,250,248,328,047,053.25
  5. Step 5: Solve for x
    x = 1,250,248,328,047,053.25/40,824,145.80
  6. Step 6: Final answer
    x = 30,625,217.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.