Finding the Fourth Proportional to 71,299,332.40, 98,393,374.20 and 40,365,471.28
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Solution
The fourth proportional to 71,299,332.40, 98,393,374.20 and 40,365,471.28 is: 55,704,517.65
Step by Step Solution
- Step 1: Write the proportion equation
71,299,332.40 : 98,393,374.20 = 40,365,471.28 : x - Step 2: Convert to fraction form
71,299,332.40/98,393,374.20 = 40,365,471.28/x - Step 3: Cross multiply
71,299,332.40x = 98,393,374.20 × 40,365,471.28 - Step 4: Simplify right side
71,299,332.40x = 3,971,694,920,412,393 - Step 5: Solve for x
x = 3,971,694,920,412,393/71,299,332.40 - Step 6: Final answer
x = 55,704,517.65
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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.