Home / 267,946,236.61-401,874,776-81,155,769.38

Finding the Fourth Proportional to 267,946,236.61, 401,874,776 and 81,155,769.38

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Solution

The fourth proportional to 267,946,236.61, 401,874,776 and 81,155,769.38 is: 121,720,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,946,236.61 : 401,874,776 = 81,155,769.38 : x
  2. Step 2: Convert to fraction form
    267,946,236.61/401,874,776 = 81,155,769.38/x
  3. Step 3: Cross multiply
    267,946,236.61x = 401,874,776 × 81,155,769.38
  4. Step 4: Simplify right side
    267,946,236.61x = 32,614,456,640,695,156
  5. Step 5: Solve for x
    x = 32,614,456,640,695,156/267,946,236.61
  6. Step 6: Final answer
    x = 121,720,151.97

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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.