Home / 214,918,951.16-322,378,229.80-67,367,572.40

Finding the Fourth Proportional to 214,918,951.16, 322,378,229.80 and 67,367,572.40

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Solution

The fourth proportional to 214,918,951.16, 322,378,229.80 and 67,367,572.40 is: 101,051,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,918,951.16 : 322,378,229.80 = 67,367,572.40 : x
  2. Step 2: Convert to fraction form
    214,918,951.16/322,378,229.80 = 67,367,572.40/x
  3. Step 3: Cross multiply
    214,918,951.16x = 322,378,229.80 × 67,367,572.40
  4. Step 4: Simplify right side
    214,918,951.16x = 21,717,838,736,235,340
  5. Step 5: Solve for x
    x = 21,717,838,736,235,340/214,918,951.16
  6. Step 6: Final answer
    x = 101,051,296.87

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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.