Home / 215,909,115.32-323,863,279.14-70,342,504.68

Finding the Fourth Proportional to 215,909,115.32, 323,863,279.14 and 70,342,504.68

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Solution

The fourth proportional to 215,909,115.32, 323,863,279.14 and 70,342,504.68 is: 105,513,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,909,115.32 : 323,863,279.14 = 70,342,504.68 : x
  2. Step 2: Convert to fraction form
    215,909,115.32/323,863,279.14 = 70,342,504.68/x
  3. Step 3: Cross multiply
    215,909,115.32x = 323,863,279.14 × 70,342,504.68
  4. Step 4: Simplify right side
    215,909,115.32x = 22,781,354,228,585,596
  5. Step 5: Solve for x
    x = 22,781,354,228,585,596/215,909,115.32
  6. Step 6: Final answer
    x = 105,513,628.71

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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.