Home / 168,491,498-252,746,701.24-47,313,502.16

Finding the Fourth Proportional to 168,491,498, 252,746,701.24 and 47,313,502.16

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Solution

The fourth proportional to 168,491,498, 252,746,701.24 and 47,313,502.16 is: 70,972,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,491,498 : 252,746,701.24 = 47,313,502.16 : x
  2. Step 2: Convert to fraction form
    168,491,498/252,746,701.24 = 47,313,502.16/x
  3. Step 3: Cross multiply
    168,491,498x = 252,746,701.24 × 47,313,502.16
  4. Step 4: Simplify right side
    168,491,498x = 11,958,331,595,051,614
  5. Step 5: Solve for x
    x = 11,958,331,595,051,614/168,491,498
  6. Step 6: Final answer
    x = 70,972,908.05

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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.