Home / 141,479,154.38-212,218,717.89-39,243,196.46

Finding the Fourth Proportional to 141,479,154.38, 212,218,717.89 and 39,243,196.46

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Solution

The fourth proportional to 141,479,154.38, 212,218,717.89 and 39,243,196.46 is: 58,864,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479,154.38 : 212,218,717.89 = 39,243,196.46 : x
  2. Step 2: Convert to fraction form
    141,479,154.38/212,218,717.89 = 39,243,196.46/x
  3. Step 3: Cross multiply
    141,479,154.38x = 212,218,717.89 × 39,243,196.46
  4. Step 4: Simplify right side
    141,479,154.38x = 8,328,140,838,646,586
  5. Step 5: Solve for x
    x = 8,328,140,838,646,586/141,479,154.38
  6. Step 6: Final answer
    x = 58,864,790.90

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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.