Home / 72,838,498.05-100,514,136.13-39,799,881.29

Finding the Fourth Proportional to 72,838,498.05, 100,514,136.13 and 39,799,881.29

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Solution

The fourth proportional to 72,838,498.05, 100,514,136.13 and 39,799,881.29 is: 54,922,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,838,498.05 : 100,514,136.13 = 39,799,881.29 : x
  2. Step 2: Convert to fraction form
    72,838,498.05/100,514,136.13 = 39,799,881.29/x
  3. Step 3: Cross multiply
    72,838,498.05x = 100,514,136.13 × 39,799,881.29
  4. Step 4: Simplify right side
    72,838,498.05x = 4,000,450,686,092,685
  5. Step 5: Solve for x
    x = 4,000,450,686,092,685/72,838,498.05
  6. Step 6: Final answer
    x = 54,922,201.76

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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.