Home / 102,227,962.68-141,073,881.66-55,818,189.72

Finding the Fourth Proportional to 102,227,962.68, 141,073,881.66 and 55,818,189.72

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Solution

The fourth proportional to 102,227,962.68, 141,073,881.66 and 55,818,189.72 is: 77,028,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,227,962.68 : 141,073,881.66 = 55,818,189.72 : x
  2. Step 2: Convert to fraction form
    102,227,962.68/141,073,881.66 = 55,818,189.72/x
  3. Step 3: Cross multiply
    102,227,962.68x = 141,073,881.66 × 55,818,189.72
  4. Step 4: Simplify right side
    102,227,962.68x = 7,874,488,691,034,708
  5. Step 5: Solve for x
    x = 7,874,488,691,034,708/102,227,962.68
  6. Step 6: Final answer
    x = 77,028,715.87

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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.