Home / 126,117,182.49-189,260,209.14-52,341,023.94

Finding the Fourth Proportional to 126,117,182.49, 189,260,209.14 and 52,341,023.94

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Solution

The fourth proportional to 126,117,182.49, 189,260,209.14 and 52,341,023.94 is: 78,546,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,117,182.49 : 189,260,209.14 = 52,341,023.94 : x
  2. Step 2: Convert to fraction form
    126,117,182.49/189,260,209.14 = 52,341,023.94/x
  3. Step 3: Cross multiply
    126,117,182.49x = 189,260,209.14 × 52,341,023.94
  4. Step 4: Simplify right side
    126,117,182.49x = 9,906,073,136,539,846
  5. Step 5: Solve for x
    x = 9,906,073,136,539,846/126,117,182.49
  6. Step 6: Final answer
    x = 78,546,578.20

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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.