Home / 123,653,363.76-185,493,498.12-45,921,149.46

Finding the Fourth Proportional to 123,653,363.76, 185,493,498.12 and 45,921,149.46

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Solution

The fourth proportional to 123,653,363.76, 185,493,498.12 and 45,921,149.46 is: 68,886,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,653,363.76 : 185,493,498.12 = 45,921,149.46 : x
  2. Step 2: Convert to fraction form
    123,653,363.76/185,493,498.12 = 45,921,149.46/x
  3. Step 3: Cross multiply
    123,653,363.76x = 185,493,498.12 × 45,921,149.46
  4. Step 4: Simplify right side
    123,653,363.76x = 8,518,074,651,026,749
  5. Step 5: Solve for x
    x = 8,518,074,651,026,749/123,653,363.76
  6. Step 6: Final answer
    x = 68,886,720.04

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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.