Home / 274,192,955.71-378,386,278.88-156,720,808.23

Finding the Fourth Proportional to 274,192,955.71, 378,386,278.88 and 156,720,808.23

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Solution

The fourth proportional to 274,192,955.71, 378,386,278.88 and 156,720,808.23 is: 216,274,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,192,955.71 : 378,386,278.88 = 156,720,808.23 : x
  2. Step 2: Convert to fraction form
    274,192,955.71/378,386,278.88 = 156,720,808.23/x
  3. Step 3: Cross multiply
    274,192,955.71x = 378,386,278.88 × 156,720,808.23
  4. Step 4: Simplify right side
    274,192,955.71x = 59,301,003,449,215,776
  5. Step 5: Solve for x
    x = 59,301,003,449,215,776/274,192,955.71
  6. Step 6: Final answer
    x = 216,274,715.36

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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.