Home / 121,535,576.34-167,719,082.46-65,780,986.86

Finding the Fourth Proportional to 121,535,576.34, 167,719,082.46 and 65,780,986.86

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Solution

The fourth proportional to 121,535,576.34, 167,719,082.46 and 65,780,986.86 is: 90,777,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,535,576.34 : 167,719,082.46 = 65,780,986.86 : x
  2. Step 2: Convert to fraction form
    121,535,576.34/167,719,082.46 = 65,780,986.86/x
  3. Step 3: Cross multiply
    121,535,576.34x = 167,719,082.46 × 65,780,986.86
  4. Step 4: Simplify right side
    121,535,576.34x = 11,032,726,759,472,516
  5. Step 5: Solve for x
    x = 11,032,726,759,472,516/121,535,576.34
  6. Step 6: Final answer
    x = 90,777,754.89

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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.