Home / 218,791,853.68-328,066,620.72-89,490,262

Finding the Fourth Proportional to 218,791,853.68, 328,066,620.72 and 89,490,262

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Solution

The fourth proportional to 218,791,853.68, 328,066,620.72 and 89,490,262 is: 134,185,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,791,853.68 : 328,066,620.72 = 89,490,262 : x
  2. Step 2: Convert to fraction form
    218,791,853.68/328,066,620.72 = 89,490,262/x
  3. Step 3: Cross multiply
    218,791,853.68x = 328,066,620.72 × 89,490,262
  4. Step 4: Simplify right side
    218,791,853.68x = 29,358,767,841,687,432
  5. Step 5: Solve for x
    x = 29,358,767,841,687,432/218,791,853.68
  6. Step 6: Final answer
    x = 134,185,836.21

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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.