Home / 284,343,078.24-392,276,597.76-172,815,948.36

Finding the Fourth Proportional to 284,343,078.24, 392,276,597.76 and 172,815,948.36

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Solution

The fourth proportional to 284,343,078.24, 392,276,597.76 and 172,815,948.36 is: 238,414,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,343,078.24 : 392,276,597.76 = 172,815,948.36 : x
  2. Step 2: Convert to fraction form
    284,343,078.24/392,276,597.76 = 172,815,948.36/x
  3. Step 3: Cross multiply
    284,343,078.24x = 392,276,597.76 × 172,815,948.36
  4. Step 4: Simplify right side
    284,343,078.24x = 67,791,652,261,328,656
  5. Step 5: Solve for x
    x = 67,791,652,261,328,656/284,343,078.24
  6. Step 6: Final answer
    x = 238,414,990.37

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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.