Home / 82,473,423.38-123,737,007.83-39,337,013.51

Finding the Fourth Proportional to 82,473,423.38, 123,737,007.83 and 39,337,013.51

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Solution

The fourth proportional to 82,473,423.38, 123,737,007.83 and 39,337,013.51 is: 59,018,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,473,423.38 : 123,737,007.83 = 39,337,013.51 : x
  2. Step 2: Convert to fraction form
    82,473,423.38/123,737,007.83 = 39,337,013.51/x
  3. Step 3: Cross multiply
    82,473,423.38x = 123,737,007.83 × 39,337,013.51
  4. Step 4: Simplify right side
    82,473,423.38x = 4,867,444,348,695,685
  5. Step 5: Solve for x
    x = 4,867,444,348,695,685/82,473,423.38
  6. Step 6: Final answer
    x = 59,018,337.66

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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.