Home / 274,417,057.12-378,696,199.92-150,665,711.20

Finding the Fourth Proportional to 274,417,057.12, 378,696,199.92 and 150,665,711.20

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Solution

The fourth proportional to 274,417,057.12, 378,696,199.92 and 150,665,711.20 is: 207,919,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,417,057.12 : 378,696,199.92 = 150,665,711.20 : x
  2. Step 2: Convert to fraction form
    274,417,057.12/378,696,199.92 = 150,665,711.20/x
  3. Step 3: Cross multiply
    274,417,057.12x = 378,696,199.92 × 150,665,711.20
  4. Step 4: Simplify right side
    274,417,057.12x = 57,056,532,289,684,184
  5. Step 5: Solve for x
    x = 57,056,532,289,684,184/274,417,057.12
  6. Step 6: Final answer
    x = 207,919,044.42

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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.