Home / 121,277,475.90-181,916,213.85-48,458,249.10

Finding the Fourth Proportional to 121,277,475.90, 181,916,213.85 and 48,458,249.10

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Solution

The fourth proportional to 121,277,475.90, 181,916,213.85 and 48,458,249.10 is: 72,687,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,475.90 : 181,916,213.85 = 48,458,249.10 : x
  2. Step 2: Convert to fraction form
    121,277,475.90/181,916,213.85 = 48,458,249.10/x
  3. Step 3: Cross multiply
    121,277,475.90x = 181,916,213.85 × 48,458,249.10
  4. Step 4: Simplify right side
    121,277,475.90x = 8,815,341,206,072,170
  5. Step 5: Solve for x
    x = 8,815,341,206,072,170/121,277,475.90
  6. Step 6: Final answer
    x = 72,687,373.65

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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.