Finding the Fourth Proportional to 69,126,925,351.70, 103,690,388,027.55 and 66,418,040,666.90
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Solution
The fourth proportional to 69,126,925,351.70, 103,690,388,027.55 and 66,418,040,666.90 is: 99,627,061,000.35
Step by Step Solution
- Step 1: Write the proportion equation
69,126,925,351.70 : 103,690,388,027.55 = 66,418,040,666.90 : x - Step 2: Convert to fraction form
69,126,925,351.70/103,690,388,027.55 = 66,418,040,666.90/x - Step 3: Cross multiply
69,126,925,351.70x = 103,690,388,027.55 × 66,418,040,666.90 - Step 4: Simplify right side
69,126,925,351.70x = 6,886,912,408,780,457,115,648 - Step 5: Solve for x
x = 6,886,912,408,780,457,115,648/69,126,925,351.70 - Step 6: Final answer
x = 99,627,061,000.35
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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.