Home / 121,061,062.38-181,590,396.85-55,463,593.21

Finding the Fourth Proportional to 121,061,062.38, 181,590,396.85 and 55,463,593.21

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Solution

The fourth proportional to 121,061,062.38, 181,590,396.85 and 55,463,593.21 is: 83,194,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,061,062.38 : 181,590,396.85 = 55,463,593.21 : x
  2. Step 2: Convert to fraction form
    121,061,062.38/181,590,396.85 = 55,463,593.21/x
  3. Step 3: Cross multiply
    121,061,062.38x = 181,590,396.85 × 55,463,593.21
  4. Step 4: Simplify right side
    121,061,062.38x = 10,071,655,901,730,866
  5. Step 5: Solve for x
    x = 10,071,655,901,730,866/121,061,062.38
  6. Step 6: Final answer
    x = 83,194,841.54

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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.