Home / 71,386,383.40-98,514,664.83-38,793,434.92

Finding the Fourth Proportional to 71,386,383.40, 98,514,664.83 and 38,793,434.92

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Solution

The fourth proportional to 71,386,383.40, 98,514,664.83 and 38,793,434.92 is: 53,535,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,386,383.40 : 98,514,664.83 = 38,793,434.92 : x
  2. Step 2: Convert to fraction form
    71,386,383.40/98,514,664.83 = 38,793,434.92/x
  3. Step 3: Cross multiply
    71,386,383.40x = 98,514,664.83 × 38,793,434.92
  4. Step 4: Simplify right side
    71,386,383.40x = 3,821,722,238,748,218
  5. Step 5: Solve for x
    x = 3,821,722,238,748,218/71,386,383.40
  6. Step 6: Final answer
    x = 53,535,731.28

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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.