Home / 132,860,951.40-199,322,919.90-68,174,740.20

Finding the Fourth Proportional to 132,860,951.40, 199,322,919.90 and 68,174,740.20

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Solution

The fourth proportional to 132,860,951.40, 199,322,919.90 and 68,174,740.20 is: 102,278,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,951.40 : 199,322,919.90 = 68,174,740.20 : x
  2. Step 2: Convert to fraction form
    132,860,951.40/199,322,919.90 = 68,174,740.20/x
  3. Step 3: Cross multiply
    132,860,951.40x = 199,322,919.90 × 68,174,740.20
  4. Step 4: Simplify right side
    132,860,951.40x = 13,588,788,280,087,910
  5. Step 5: Solve for x
    x = 13,588,788,280,087,910/132,860,951.40
  6. Step 6: Final answer
    x = 102,278,270.15

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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.