Finding the Fourth Proportional to 97,787,687.70, 146,681,531.55 and 97,787,687.70
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Solution
The fourth proportional to 97,787,687.70, 146,681,531.55 and 97,787,687.70 is: 146,681,531.55
Step by Step Solution
- Step 1: Write the proportion equation
97,787,687.70 : 146,681,531.55 = 97,787,687.70 : x - Step 2: Convert to fraction form
97,787,687.70/146,681,531.55 = 97,787,687.70/x - Step 3: Cross multiply
97,787,687.70x = 146,681,531.55 × 97,787,687.70 - Step 4: Simplify right side
97,787,687.70x = 14,343,647,798,569,098 - Step 5: Solve for x
x = 14,343,647,798,569,098/97,787,687.70 - Step 6: Final answer
x = 146,681,531.55
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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.