Home / 83,044,606.80-124,566,910.20-78,261,637.80

Finding the Fourth Proportional to 83,044,606.80, 124,566,910.20 and 78,261,637.80

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Solution

The fourth proportional to 83,044,606.80, 124,566,910.20 and 78,261,637.80 is: 117,392,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,044,606.80 : 124,566,910.20 = 78,261,637.80 : x
  2. Step 2: Convert to fraction form
    83,044,606.80/124,566,910.20 = 78,261,637.80/x
  3. Step 3: Cross multiply
    83,044,606.80x = 124,566,910.20 × 78,261,637.80
  4. Step 4: Simplify right side
    83,044,606.80x = 9,748,810,407,937,526
  5. Step 5: Solve for x
    x = 9,748,810,407,937,526/83,044,606.80
  6. Step 6: Final answer
    x = 117,392,456.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.