Home / 68,947,443-95,148,127.62-38,008,721.88

Finding the Fourth Proportional to 68,947,443, 95,148,127.62 and 38,008,721.88

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Solution

The fourth proportional to 68,947,443, 95,148,127.62 and 38,008,721.88 is: 52,452,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947,443 : 95,148,127.62 = 38,008,721.88 : x
  2. Step 2: Convert to fraction form
    68,947,443/95,148,127.62 = 38,008,721.88/x
  3. Step 3: Cross multiply
    68,947,443x = 95,148,127.62 × 38,008,721.88
  4. Step 4: Simplify right side
    68,947,443x = 3,616,458,720,111,327
  5. Step 5: Solve for x
    x = 3,616,458,720,111,327/68,947,443
  6. Step 6: Final answer
    x = 52,452,397.98

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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.