Home / 261,650,792.40-392,381,710.20-132,215,384.40

Finding the Fourth Proportional to 261,650,792.40, 392,381,710.20 and 132,215,384.40

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Solution

The fourth proportional to 261,650,792.40, 392,381,710.20 and 132,215,384.40 is: 198,275,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,650,792.40 : 392,381,710.20 = 132,215,384.40 : x
  2. Step 2: Convert to fraction form
    261,650,792.40/392,381,710.20 = 132,215,384.40/x
  3. Step 3: Cross multiply
    261,650,792.40x = 392,381,710.20 × 132,215,384.40
  4. Step 4: Simplify right side
    261,650,792.40x = 51,878,898,645,622,400
  5. Step 5: Solve for x
    x = 51,878,898,645,622,400/261,650,792.40
  6. Step 6: Final answer
    x = 198,275,335.49

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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.