Home / 90,418,736,760.96-135,648,538,082.58-29,912,872,375.73

Finding the Fourth Proportional to 90,418,736,760.96, 135,648,538,082.58 and 29,912,872,375.73

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Solution

The fourth proportional to 90,418,736,760.96, 135,648,538,082.58 and 29,912,872,375.73 is: 44,876,068,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,418,736,760.96 : 135,648,538,082.58 = 29,912,872,375.73 : x
  2. Step 2: Convert to fraction form
    90,418,736,760.96/135,648,538,082.58 = 29,912,872,375.73/x
  3. Step 3: Cross multiply
    90,418,736,760.96x = 135,648,538,082.58 × 29,912,872,375.73
  4. Step 4: Simplify right side
    90,418,736,760.96x = 4,057,637,407,617,887,764,480
  5. Step 5: Solve for x
    x = 4,057,637,407,617,887,764,480/90,418,736,760.96
  6. Step 6: Final answer
    x = 44,876,068,312.53

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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.