Home / 130,278,822.60-195,418,233.90-45,178,278.60

Finding the Fourth Proportional to 130,278,822.60, 195,418,233.90 and 45,178,278.60

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Solution

The fourth proportional to 130,278,822.60, 195,418,233.90 and 45,178,278.60 is: 67,767,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,822.60 : 195,418,233.90 = 45,178,278.60 : x
  2. Step 2: Convert to fraction form
    130,278,822.60/195,418,233.90 = 45,178,278.60/x
  3. Step 3: Cross multiply
    130,278,822.60x = 195,418,233.90 × 45,178,278.60
  4. Step 4: Simplify right side
    130,278,822.60x = 8,828,659,414,654,165
  5. Step 5: Solve for x
    x = 8,828,659,414,654,165/130,278,822.60
  6. Step 6: Final answer
    x = 67,767,417.90

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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.