Home / 103,170,963.92-142,375,924.76-56,760,221.36

Finding the Fourth Proportional to 103,170,963.92, 142,375,924.76 and 56,760,221.36

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Solution

The fourth proportional to 103,170,963.92, 142,375,924.76 and 56,760,221.36 is: 78,329,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,170,963.92 : 142,375,924.76 = 56,760,221.36 : x
  2. Step 2: Convert to fraction form
    103,170,963.92/142,375,924.76 = 56,760,221.36/x
  3. Step 3: Cross multiply
    103,170,963.92x = 142,375,924.76 × 56,760,221.36
  4. Step 4: Simplify right side
    103,170,963.92x = 8,081,289,005,712,304
  5. Step 5: Solve for x
    x = 8,081,289,005,712,304/103,170,963.92
  6. Step 6: Final answer
    x = 78,329,102.48

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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.