Home / 82,502,537.91-123,811,961.01-38,785,291.82

Finding the Fourth Proportional to 82,502,537.91, 123,811,961.01 and 38,785,291.82

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Solution

The fourth proportional to 82,502,537.91, 123,811,961.01 and 38,785,291.82 is: 58,205,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,502,537.91 : 123,811,961.01 = 38,785,291.82 : x
  2. Step 2: Convert to fraction form
    82,502,537.91/123,811,961.01 = 38,785,291.82/x
  3. Step 3: Cross multiply
    82,502,537.91x = 123,811,961.01 × 38,785,291.82
  4. Step 4: Simplify right side
    82,502,537.91x = 4,802,083,038,579,312
  5. Step 5: Solve for x
    x = 4,802,083,038,579,312/82,502,537.91
  6. Step 6: Final answer
    x = 58,205,276.59

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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.