Home / 85,751,416.51-128,626,870.27-24,340,627.20

Finding the Fourth Proportional to 85,751,416.51, 128,626,870.27 and 24,340,627.20

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Solution

The fourth proportional to 85,751,416.51, 128,626,870.27 and 24,340,627.20 is: 36,510,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,751,416.51 : 128,626,870.27 = 24,340,627.20 : x
  2. Step 2: Convert to fraction form
    85,751,416.51/128,626,870.27 = 24,340,627.20/x
  3. Step 3: Cross multiply
    85,751,416.51x = 128,626,870.27 × 24,340,627.20
  4. Step 4: Simplify right side
    85,751,416.51x = 3,130,858,697,083,981.50
  5. Step 5: Solve for x
    x = 3,130,858,697,083,981.50/85,751,416.51
  6. Step 6: Final answer
    x = 36,510,868.56

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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.