Home / 132,860,780.20-199,123,208.70-118,416,082.60

Finding the Fourth Proportional to 132,860,780.20, 199,123,208.70 and 118,416,082.60

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Solution

The fourth proportional to 132,860,780.20, 199,123,208.70 and 118,416,082.60 is: 177,474,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,780.20 : 199,123,208.70 = 118,416,082.60 : x
  2. Step 2: Convert to fraction form
    132,860,780.20/199,123,208.70 = 118,416,082.60/x
  3. Step 3: Cross multiply
    132,860,780.20x = 199,123,208.70 × 118,416,082.60
  4. Step 4: Simplify right side
    132,860,780.20x = 23,579,390,328,996,236
  5. Step 5: Solve for x
    x = 23,579,390,328,996,236/132,860,780.20
  6. Step 6: Final answer
    x = 177,474,423.18

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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.