Home / 168,491,499-252,746,702.74-47,313,503.16

Finding the Fourth Proportional to 168,491,499, 252,746,702.74 and 47,313,503.16

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Solution

The fourth proportional to 168,491,499, 252,746,702.74 and 47,313,503.16 is: 70,972,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,491,499 : 252,746,702.74 = 47,313,503.16 : x
  2. Step 2: Convert to fraction form
    168,491,499/252,746,702.74 = 47,313,503.16/x
  3. Step 3: Cross multiply
    168,491,499x = 252,746,702.74 × 47,313,503.16
  4. Step 4: Simplify right side
    168,491,499x = 11,958,331,918,768,570
  5. Step 5: Solve for x
    x = 11,958,331,918,768,570/168,491,499
  6. Step 6: Final answer
    x = 70,972,909.55

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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.