Home / 121,277,307.90-181,915,961.85-48,458,081.10

Finding the Fourth Proportional to 121,277,307.90, 181,915,961.85 and 48,458,081.10

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Solution

The fourth proportional to 121,277,307.90, 181,915,961.85 and 48,458,081.10 is: 72,687,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,307.90 : 181,915,961.85 = 48,458,081.10 : x
  2. Step 2: Convert to fraction form
    121,277,307.90/181,915,961.85 = 48,458,081.10/x
  3. Step 3: Cross multiply
    121,277,307.90x = 181,915,961.85 × 48,458,081.10
  4. Step 4: Simplify right side
    121,277,307.90x = 8,815,298,432,711,806
  5. Step 5: Solve for x
    x = 8,815,298,432,711,806/121,277,307.90
  6. Step 6: Final answer
    x = 72,687,121.65

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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.