Home / 120,838,915.46-181,385,154.50-107,093,817.29

Finding the Fourth Proportional to 120,838,915.46, 181,385,154.50 and 107,093,817.29

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Solution

The fourth proportional to 120,838,915.46, 181,385,154.50 and 107,093,817.29 is: 160,753,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,838,915.46 : 181,385,154.50 = 107,093,817.29 : x
  2. Step 2: Convert to fraction form
    120,838,915.46/181,385,154.50 = 107,093,817.29/x
  3. Step 3: Cross multiply
    120,838,915.46x = 181,385,154.50 × 107,093,817.29
  4. Step 4: Simplify right side
    120,838,915.46x = 19,425,228,595,059,416
  5. Step 5: Solve for x
    x = 19,425,228,595,059,416/120,838,915.46
  6. Step 6: Final answer
    x = 160,753,086.21

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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.