Home / 69,126,925,369.70-103,690,388,054.55-66,418,040,684.90

Finding the Fourth Proportional to 69,126,925,369.70, 103,690,388,054.55 and 66,418,040,684.90

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Solution

The fourth proportional to 69,126,925,369.70, 103,690,388,054.55 and 66,418,040,684.90 is: 99,627,061,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126,925,369.70 : 103,690,388,054.55 = 66,418,040,684.90 : x
  2. Step 2: Convert to fraction form
    69,126,925,369.70/103,690,388,054.55 = 66,418,040,684.90/x
  3. Step 3: Cross multiply
    69,126,925,369.70x = 103,690,388,054.55 × 66,418,040,684.90
  4. Step 4: Simplify right side
    69,126,925,369.70x = 6,886,912,412,440,170,856,448
  5. Step 5: Solve for x
    x = 6,886,912,412,440,170,856,448/69,126,925,369.70
  6. Step 6: Final answer
    x = 99,627,061,027.35

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Double scale
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Similar ratio
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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.