Home / 71,957,634.91-99,301,535.16-38,917,886.92

Finding the Fourth Proportional to 71,957,634.91, 99,301,535.16 and 38,917,886.92

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Solution

The fourth proportional to 71,957,634.91, 99,301,535.16 and 38,917,886.92 is: 53,706,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,957,634.91 : 99,301,535.16 = 38,917,886.92 : x
  2. Step 2: Convert to fraction form
    71,957,634.91/99,301,535.16 = 38,917,886.92/x
  3. Step 3: Cross multiply
    71,957,634.91x = 99,301,535.16 × 38,917,886.92
  4. Step 4: Simplify right side
    71,957,634.91x = 3,864,605,916,339,284
  5. Step 5: Solve for x
    x = 3,864,605,916,339,284/71,957,634.91
  6. Step 6: Final answer
    x = 53,706,683.40

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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.