Home / 124,157,996.94-171,338,082.66-71,977,280.97

Finding the Fourth Proportional to 124,157,996.94, 171,338,082.66 and 71,977,280.97

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Solution

The fourth proportional to 124,157,996.94, 171,338,082.66 and 71,977,280.97 is: 99,328,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,157,996.94 : 171,338,082.66 = 71,977,280.97 : x
  2. Step 2: Convert to fraction form
    124,157,996.94/171,338,082.66 = 71,977,280.97/x
  3. Step 3: Cross multiply
    124,157,996.94x = 171,338,082.66 × 71,977,280.97
  4. Step 4: Simplify right side
    124,157,996.94x = 12,332,449,316,479,904
  5. Step 5: Solve for x
    x = 12,332,449,316,479,904/124,157,996.94
  6. Step 6: Final answer
    x = 99,328,674.92

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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.