Home / 89,071,808.10-133,607,712.15-74,722,901.10

Finding the Fourth Proportional to 89,071,808.10, 133,607,712.15 and 74,722,901.10

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Solution

The fourth proportional to 89,071,808.10, 133,607,712.15 and 74,722,901.10 is: 112,084,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071,808.10 : 133,607,712.15 = 74,722,901.10 : x
  2. Step 2: Convert to fraction form
    89,071,808.10/133,607,712.15 = 74,722,901.10/x
  3. Step 3: Cross multiply
    89,071,808.10x = 133,607,712.15 × 74,722,901.10
  4. Step 4: Simplify right side
    89,071,808.10x = 9,983,555,861,181,718
  5. Step 5: Solve for x
    x = 9,983,555,861,181,718/89,071,808.10
  6. Step 6: Final answer
    x = 112,084,351.65

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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.