Home / 90,418,748,672.90-135,648,555,958.38-29,912,884,279.94

Finding the Fourth Proportional to 90,418,748,672.90, 135,648,555,958.38 and 29,912,884,279.94

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Solution

The fourth proportional to 90,418,748,672.90, 135,648,555,958.38 and 29,912,884,279.94 is: 44,876,086,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,418,748,672.90 : 135,648,555,958.38 = 29,912,884,279.94 : x
  2. Step 2: Convert to fraction form
    90,418,748,672.90/135,648,555,958.38 = 29,912,884,279.94/x
  3. Step 3: Cross multiply
    90,418,748,672.90x = 135,648,555,958.38 × 29,912,884,279.94
  4. Step 4: Simplify right side
    90,418,748,672.90x = 4,057,639,557,123,986,685,952
  5. Step 5: Solve for x
    x = 4,057,639,557,123,986,685,952/90,418,748,672.90
  6. Step 6: Final answer
    x = 44,876,086,173.27

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1.5x scale

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.