Finding the Fourth Proportional to 97,127,231.10, 145,690,846.65 and 89,736,920.70
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Solution
The fourth proportional to 97,127,231.10, 145,690,846.65 and 89,736,920.70 is: 134,605,381.05
Step by Step Solution
- Step 1: Write the proportion equation
97,127,231.10 : 145,690,846.65 = 89,736,920.70 : x - Step 2: Convert to fraction form
97,127,231.10/145,690,846.65 = 89,736,920.70/x - Step 3: Cross multiply
97,127,231.10x = 145,690,846.65 × 89,736,920.70 - Step 4: Simplify right side
97,127,231.10x = 13,073,847,952,546,912 - Step 5: Solve for x
x = 13,073,847,952,546,912/97,127,231.10 - Step 6: Final answer
x = 134,605,381.05
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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.