Home / 121,277,308.90-181,915,963.35-48,458,082.10

Finding the Fourth Proportional to 121,277,308.90, 181,915,963.35 and 48,458,082.10

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Solution

The fourth proportional to 121,277,308.90, 181,915,963.35 and 48,458,082.10 is: 72,687,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,308.90 : 181,915,963.35 = 48,458,082.10 : x
  2. Step 2: Convert to fraction form
    121,277,308.90/181,915,963.35 = 48,458,082.10/x
  3. Step 3: Cross multiply
    121,277,308.90x = 181,915,963.35 × 48,458,082.10
  4. Step 4: Simplify right side
    121,277,308.90x = 8,815,298,687,314,891
  5. Step 5: Solve for x
    x = 8,815,298,687,314,891/121,277,308.90
  6. Step 6: Final answer
    x = 72,687,123.15

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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.