Finding the Fourth Proportional to 87,893,857.20, 121,282,372.80 and 48,190,941
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Solution
The fourth proportional to 87,893,857.20, 121,282,372.80 and 48,190,941 is: 66,497,385.12
Step by Step Solution
- Step 1: Write the proportion equation
87,893,857.20 : 121,282,372.80 = 48,190,941 : x - Step 2: Convert to fraction form
87,893,857.20/121,282,372.80 = 48,190,941/x - Step 3: Cross multiply
87,893,857.20x = 121,282,372.80 × 48,190,941 - Step 4: Simplify right side
87,893,857.20x = 5,844,711,671,944,805 - Step 5: Solve for x
x = 5,844,711,671,944,805/87,893,857.20 - Step 6: Final answer
x = 66,497,385.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.