Finding the Fourth Proportional to 88,356,328.90, 132,534,493.35 and 54,296,865.70
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Solution
The fourth proportional to 88,356,328.90, 132,534,493.35 and 54,296,865.70 is: 81,445,298.55
Step by Step Solution
- Step 1: Write the proportion equation
88,356,328.90 : 132,534,493.35 = 54,296,865.70 : x - Step 2: Convert to fraction form
88,356,328.90/132,534,493.35 = 54,296,865.70/x - Step 3: Cross multiply
88,356,328.90x = 132,534,493.35 × 54,296,865.70 - Step 4: Simplify right side
88,356,328.90x = 7,196,207,586,042,493 - Step 5: Solve for x
x = 7,196,207,586,042,493/88,356,328.90 - Step 6: Final answer
x = 81,445,298.55
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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.