Finding the Fourth Proportional to 88,000,251.84, 121,452,999.77 and 52,719,566.12
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Solution
The fourth proportional to 88,000,251.84, 121,452,999.77 and 52,719,566.12 is: 72,760,580.99
Step by Step Solution
- Step 1: Write the proportion equation
88,000,251.84 : 121,452,999.77 = 52,719,566.12 : x - Step 2: Convert to fraction form
88,000,251.84/121,452,999.77 = 52,719,566.12/x - Step 3: Cross multiply
88,000,251.84x = 121,452,999.77 × 52,719,566.12 - Step 4: Simplify right side
88,000,251.84x = 6,402,949,451,371,394 - Step 5: Solve for x
x = 6,402,949,451,371,394/88,000,251.84 - Step 6: Final answer
x = 72,760,580.99
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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.