Home / 87,719,273.18-121,047,801.19-48,019,123.88

Finding the Fourth Proportional to 87,719,273.18, 121,047,801.19 and 48,019,123.88

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Solution

The fourth proportional to 87,719,273.18, 121,047,801.19 and 48,019,123.88 is: 66,263,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,719,273.18 : 121,047,801.19 = 48,019,123.88 : x
  2. Step 2: Convert to fraction form
    87,719,273.18/121,047,801.19 = 48,019,123.88/x
  3. Step 3: Cross multiply
    87,719,273.18x = 121,047,801.19 × 48,019,123.88
  4. Step 4: Simplify right side
    87,719,273.18x = 5,812,609,360,235,085
  5. Step 5: Solve for x
    x = 5,812,609,360,235,085/87,719,273.18
  6. Step 6: Final answer
    x = 66,263,765.64

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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.