Home / 454,229,981.68-681,350,397.56-126,685,566.20

Finding the Fourth Proportional to 454,229,981.68, 681,350,397.56 and 126,685,566.20

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Solution

The fourth proportional to 454,229,981.68, 681,350,397.56 and 126,685,566.20 is: 190,029,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,229,981.68 : 681,350,397.56 = 126,685,566.20 : x
  2. Step 2: Convert to fraction form
    454,229,981.68/681,350,397.56 = 126,685,566.20/x
  3. Step 3: Cross multiply
    454,229,981.68x = 681,350,397.56 × 126,685,566.20
  4. Step 4: Simplify right side
    454,229,981.68x = 86,317,260,895,483,696
  5. Step 5: Solve for x
    x = 86,317,260,895,483,696/454,229,981.68
  6. Step 6: Final answer
    x = 190,029,862.35

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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.