Home / 80,712,018.52-111,381,540.40-44,041,957.72

Finding the Fourth Proportional to 80,712,018.52, 111,381,540.40 and 44,041,957.72

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Solution

The fourth proportional to 80,712,018.52, 111,381,540.40 and 44,041,957.72 is: 60,777,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712,018.52 : 111,381,540.40 = 44,041,957.72 : x
  2. Step 2: Convert to fraction form
    80,712,018.52/111,381,540.40 = 44,041,957.72/x
  3. Step 3: Cross multiply
    80,712,018.52x = 111,381,540.40 × 44,041,957.72
  4. Step 4: Simplify right side
    80,712,018.52x = 4,905,461,093,085,272
  5. Step 5: Solve for x
    x = 4,905,461,093,085,272/80,712,018.52
  6. Step 6: Final answer
    x = 60,777,331.34

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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.