Home / 155,221,645.06-214,218,747.01-89,154,892.84

Finding the Fourth Proportional to 155,221,645.06, 214,218,747.01 and 89,154,892.84

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Solution

The fourth proportional to 155,221,645.06, 214,218,747.01 and 89,154,892.84 is: 123,041,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,221,645.06 : 214,218,747.01 = 89,154,892.84 : x
  2. Step 2: Convert to fraction form
    155,221,645.06/214,218,747.01 = 89,154,892.84/x
  3. Step 3: Cross multiply
    155,221,645.06x = 214,218,747.01 × 89,154,892.84
  4. Step 4: Simplify right side
    155,221,645.06x = 19,098,649,434,223,704
  5. Step 5: Solve for x
    x = 19,098,649,434,223,704/155,221,645.06
  6. Step 6: Final answer
    x = 123,041,148.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.