Home / 68,535,330.90-102,792,884.18-20,000,152.97

Finding the Fourth Proportional to 68,535,330.90, 102,792,884.18 and 20,000,152.97

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Solution

The fourth proportional to 68,535,330.90, 102,792,884.18 and 20,000,152.97 is: 29,997,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,535,330.90 : 102,792,884.18 = 20,000,152.97 : x
  2. Step 2: Convert to fraction form
    68,535,330.90/102,792,884.18 = 20,000,152.97/x
  3. Step 3: Cross multiply
    68,535,330.90x = 102,792,884.18 × 20,000,152.97
  4. Step 4: Simplify right side
    68,535,330.90x = 2,055,873,407,313,528.75
  5. Step 5: Solve for x
    x = 2,055,873,407,313,528.75/68,535,330.90
  6. Step 6: Final answer
    x = 29,997,278.49

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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.