Home / 83,187,069.60-124,780,604.40-54,276,679.20

Finding the Fourth Proportional to 83,187,069.60, 124,780,604.40 and 54,276,679.20

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Solution

The fourth proportional to 83,187,069.60, 124,780,604.40 and 54,276,679.20 is: 81,415,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,187,069.60 : 124,780,604.40 = 54,276,679.20 : x
  2. Step 2: Convert to fraction form
    83,187,069.60/124,780,604.40 = 54,276,679.20/x
  3. Step 3: Cross multiply
    83,187,069.60x = 124,780,604.40 × 54,276,679.20
  4. Step 4: Simplify right side
    83,187,069.60x = 6,772,676,835,400,909
  5. Step 5: Solve for x
    x = 6,772,676,835,400,909/83,187,069.60
  6. Step 6: Final answer
    x = 81,415,018.80

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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.