Home / 82,664,839.68-123,935,483.52-57,032,707.20

Finding the Fourth Proportional to 82,664,839.68, 123,935,483.52 and 57,032,707.20

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Solution

The fourth proportional to 82,664,839.68, 123,935,483.52 and 57,032,707.20 is: 85,506,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,664,839.68 : 123,935,483.52 = 57,032,707.20 : x
  2. Step 2: Convert to fraction form
    82,664,839.68/123,935,483.52 = 57,032,707.20/x
  3. Step 3: Cross multiply
    82,664,839.68x = 123,935,483.52 × 57,032,707.20
  4. Step 4: Simplify right side
    82,664,839.68x = 7,068,376,143,286,585
  5. Step 5: Solve for x
    x = 7,068,376,143,286,585/82,664,839.68
  6. Step 6: Final answer
    x = 85,506,439.87

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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.