Finding the Fourth Proportional to 97,865,149.29, 135,074,455.57 and 62,078,442.90
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Solution
The fourth proportional to 97,865,149.29, 135,074,455.57 and 62,078,442.90 is: 85,681,286.32
Step by Step Solution
- Step 1: Write the proportion equation
97,865,149.29 : 135,074,455.57 = 62,078,442.90 : x - Step 2: Convert to fraction form
97,865,149.29/135,074,455.57 = 62,078,442.90/x - Step 3: Cross multiply
97,865,149.29x = 135,074,455.57 × 62,078,442.90 - Step 4: Simplify right side
97,865,149.29x = 8,385,211,877,350,831 - Step 5: Solve for x
x = 8,385,211,877,350,831/97,865,149.29 - Step 6: Final answer
x = 85,681,286.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.