Finding the Fourth Proportional to 88,569,679.20, 132,854,518.80 and 40,793,935.20
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Solution
The fourth proportional to 88,569,679.20, 132,854,518.80 and 40,793,935.20 is: 61,190,902.80
Step by Step Solution
- Step 1: Write the proportion equation
88,569,679.20 : 132,854,518.80 = 40,793,935.20 : x - Step 2: Convert to fraction form
88,569,679.20/132,854,518.80 = 40,793,935.20/x - Step 3: Cross multiply
88,569,679.20x = 132,854,518.80 × 40,793,935.20 - Step 4: Simplify right side
88,569,679.20x = 5,419,658,630,954,382 - Step 5: Solve for x
x = 5,419,658,630,954,382/88,569,679.20 - Step 6: Final answer
x = 61,190,902.80
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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.