Home / 42,689,117.36-58,911,001.79-23,110,005.71

Finding the Fourth Proportional to 42,689,117.36, 58,911,001.79 and 23,110,005.71

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Solution

The fourth proportional to 42,689,117.36, 58,911,001.79 and 23,110,005.71 is: 31,891,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689,117.36 : 58,911,001.79 = 23,110,005.71 : x
  2. Step 2: Convert to fraction form
    42,689,117.36/58,911,001.79 = 23,110,005.71/x
  3. Step 3: Cross multiply
    42,689,117.36x = 58,911,001.79 × 23,110,005.71
  4. Step 4: Simplify right side
    42,689,117.36x = 1,361,433,587,780,447.50
  5. Step 5: Solve for x
    x = 1,361,433,587,780,447.50/42,689,117.36
  6. Step 6: Final answer
    x = 31,891,818.62

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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.