Home / 103,059,306.84-142,221,005.10-56,649,067.32

Finding the Fourth Proportional to 103,059,306.84, 142,221,005.10 and 56,649,067.32

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Solution

The fourth proportional to 103,059,306.84, 142,221,005.10 and 56,649,067.32 is: 78,175,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,059,306.84 : 142,221,005.10 = 56,649,067.32 : x
  2. Step 2: Convert to fraction form
    103,059,306.84/142,221,005.10 = 56,649,067.32/x
  3. Step 3: Cross multiply
    103,059,306.84x = 142,221,005.10 × 56,649,067.32
  4. Step 4: Simplify right side
    103,059,306.84x = 8,056,687,292,227,963
  5. Step 5: Solve for x
    x = 8,056,687,292,227,963/103,059,306.84
  6. Step 6: Final answer
    x = 78,175,252.09

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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.