Home / 83,044,600.80-124,566,901.20-78,261,631.80

Finding the Fourth Proportional to 83,044,600.80, 124,566,901.20 and 78,261,631.80

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Solution

The fourth proportional to 83,044,600.80, 124,566,901.20 and 78,261,631.80 is: 117,392,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,044,600.80 : 124,566,901.20 = 78,261,631.80 : x
  2. Step 2: Convert to fraction form
    83,044,600.80/124,566,901.20 = 78,261,631.80/x
  3. Step 3: Cross multiply
    83,044,600.80x = 124,566,901.20 × 78,261,631.80
  4. Step 4: Simplify right side
    83,044,600.80x = 9,748,808,956,181,378
  5. Step 5: Solve for x
    x = 9,748,808,956,181,378/83,044,600.80
  6. Step 6: Final answer
    x = 117,392,447.70

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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.