Home / 218,961,507.06-328,433,624.66-80,727,355.20

Finding the Fourth Proportional to 218,961,507.06, 328,433,624.66 and 80,727,355.20

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Solution

The fourth proportional to 218,961,507.06, 328,433,624.66 and 80,727,355.20 is: 121,087,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,961,507.06 : 328,433,624.66 = 80,727,355.20 : x
  2. Step 2: Convert to fraction form
    218,961,507.06/328,433,624.66 = 80,727,355.20/x
  3. Step 3: Cross multiply
    218,961,507.06x = 328,433,624.66 × 80,727,355.20
  4. Step 4: Simplify right side
    218,961,507.06x = 26,513,577,877,551,304
  5. Step 5: Solve for x
    x = 26,513,577,877,551,304/218,961,507.06
  6. Step 6: Final answer
    x = 121,087,848.88

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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.