Home / 68,535,337.02-102,792,893.38-20,000,159.10

Finding the Fourth Proportional to 68,535,337.02, 102,792,893.38 and 20,000,159.10

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Solution

The fourth proportional to 68,535,337.02, 102,792,893.38 and 20,000,159.10 is: 29,997,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,535,337.02 : 102,792,893.38 = 20,000,159.10 : x
  2. Step 2: Convert to fraction form
    68,535,337.02/102,792,893.38 = 20,000,159.10/x
  3. Step 3: Cross multiply
    68,535,337.02x = 102,792,893.38 × 20,000,159.10
  4. Step 4: Simplify right side
    68,535,337.02x = 2,055,874,221,949,336.75
  5. Step 5: Solve for x
    x = 2,055,874,221,949,336.75/68,535,337.02
  6. Step 6: Final answer
    x = 29,997,287.70

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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.