Home / 134,614,132.12-185,781,781.52-78,906,358.27

Finding the Fourth Proportional to 134,614,132.12, 185,781,781.52 and 78,906,358.27

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Solution

The fourth proportional to 134,614,132.12, 185,781,781.52 and 78,906,358.27 is: 108,899,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,614,132.12 : 185,781,781.52 = 78,906,358.27 : x
  2. Step 2: Convert to fraction form
    134,614,132.12/185,781,781.52 = 78,906,358.27/x
  3. Step 3: Cross multiply
    134,614,132.12x = 185,781,781.52 × 78,906,358.27
  4. Step 4: Simplify right side
    134,614,132.12x = 14,659,363,812,567,852
  5. Step 5: Solve for x
    x = 14,659,363,812,567,852/134,614,132.12
  6. Step 6: Final answer
    x = 108,899,144.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.