Home / 261,832,274.43-392,844,179.12-121,839,498.16

Finding the Fourth Proportional to 261,832,274.43, 392,844,179.12 and 121,839,498.16

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Solution

The fourth proportional to 261,832,274.43, 392,844,179.12 and 121,839,498.16 is: 182,803,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,832,274.43 : 392,844,179.12 = 121,839,498.16 : x
  2. Step 2: Convert to fraction form
    261,832,274.43/392,844,179.12 = 121,839,498.16/x
  3. Step 3: Cross multiply
    261,832,274.43x = 392,844,179.12 × 121,839,498.16
  4. Step 4: Simplify right side
    261,832,274.43x = 47,863,937,639,057,952
  5. Step 5: Solve for x
    x = 47,863,937,639,057,952/261,832,274.43
  6. Step 6: Final answer
    x = 182,803,811.12

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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.