Home / 280,182,643.43-386,687,713.55-162,684,581.27

Finding the Fourth Proportional to 280,182,643.43, 386,687,713.55 and 162,684,581.27

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Solution

The fourth proportional to 280,182,643.43, 386,687,713.55 and 162,684,581.27 is: 224,525,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,182,643.43 : 386,687,713.55 = 162,684,581.27 : x
  2. Step 2: Convert to fraction form
    280,182,643.43/386,687,713.55 = 162,684,581.27/x
  3. Step 3: Cross multiply
    280,182,643.43x = 386,687,713.55 × 162,684,581.27
  4. Step 4: Simplify right side
    280,182,643.43x = 62,908,128,758,388,592
  5. Step 5: Solve for x
    x = 62,908,128,758,388,592/280,182,643.43
  6. Step 6: Final answer
    x = 224,525,430.95

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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.