Home / 155,028,400.87-232,588,001.76-45,856,479.13

Finding the Fourth Proportional to 155,028,400.87, 232,588,001.76 and 45,856,479.13

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Solution

The fourth proportional to 155,028,400.87, 232,588,001.76 and 45,856,479.13 is: 68,798,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,028,400.87 : 232,588,001.76 = 45,856,479.13 : x
  2. Step 2: Convert to fraction form
    155,028,400.87/232,588,001.76 = 45,856,479.13/x
  3. Step 3: Cross multiply
    155,028,400.87x = 232,588,001.76 × 45,856,479.13
  4. Step 4: Simplify right side
    155,028,400.87x = 10,665,666,847,842,870
  5. Step 5: Solve for x
    x = 10,665,666,847,842,870/155,028,400.87
  6. Step 6: Final answer
    x = 68,798,147.88

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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.