Home / 423,693,131.15-635,527,948.44-112,803,414.36

Finding the Fourth Proportional to 423,693,131.15, 635,527,948.44 and 112,803,414.36

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Solution

The fourth proportional to 423,693,131.15, 635,527,948.44 and 112,803,414.36 is: 169,201,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,693,131.15 : 635,527,948.44 = 112,803,414.36 : x
  2. Step 2: Convert to fraction form
    423,693,131.15/635,527,948.44 = 112,803,414.36/x
  3. Step 3: Cross multiply
    423,693,131.15x = 635,527,948.44 × 112,803,414.36
  4. Step 4: Simplify right side
    423,693,131.15x = 71,689,722,503,276,696
  5. Step 5: Solve for x
    x = 71,689,722,503,276,696/423,693,131.15
  6. Step 6: Final answer
    x = 169,201,993.69

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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.