Home / 90,418,736,757.96-135,648,538,078.09-29,912,872,372.72

Finding the Fourth Proportional to 90,418,736,757.96, 135,648,538,078.09 and 29,912,872,372.72

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Solution

The fourth proportional to 90,418,736,757.96, 135,648,538,078.09 and 29,912,872,372.72 is: 44,876,068,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,418,736,757.96 : 135,648,538,078.09 = 29,912,872,372.72 : x
  2. Step 2: Convert to fraction form
    90,418,736,757.96/135,648,538,078.09 = 29,912,872,372.72/x
  3. Step 3: Cross multiply
    90,418,736,757.96x = 135,648,538,078.09 × 29,912,872,372.72
  4. Step 4: Simplify right side
    90,418,736,757.96x = 4,057,637,407,075,819,585,536
  5. Step 5: Solve for x
    x = 4,057,637,407,075,819,585,536/90,418,736,757.96
  6. Step 6: Final answer
    x = 44,876,068,308.03

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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.