Home / 123,894,408.60-185,841,612.90-66,498,780.60

Finding the Fourth Proportional to 123,894,408.60, 185,841,612.90 and 66,498,780.60

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Solution

The fourth proportional to 123,894,408.60, 185,841,612.90 and 66,498,780.60 is: 99,748,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,894,408.60 : 185,841,612.90 = 66,498,780.60 : x
  2. Step 2: Convert to fraction form
    123,894,408.60/185,841,612.90 = 66,498,780.60/x
  3. Step 3: Cross multiply
    123,894,408.60x = 185,841,612.90 × 66,498,780.60
  4. Step 4: Simplify right side
    123,894,408.60x = 12,358,240,642,587,230
  5. Step 5: Solve for x
    x = 12,358,240,642,587,230/123,894,408.60
  6. Step 6: Final answer
    x = 99,748,170.90

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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.