Finding the Fourth Proportional to 53,508,442.32, 80,283,930.84 and 17,122,438.80
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Solution
The fourth proportional to 53,508,442.32, 80,283,930.84 and 17,122,438.80 is: 25,690,463.65
Step by Step Solution
- Step 1: Write the proportion equation
53,508,442.32 : 80,283,930.84 = 17,122,438.80 : x - Step 2: Convert to fraction form
53,508,442.32/80,283,930.84 = 17,122,438.80/x - Step 3: Cross multiply
53,508,442.32x = 80,283,930.84 × 17,122,438.80 - Step 4: Simplify right side
53,508,442.32x = 1,374,656,692,431,332.75 - Step 5: Solve for x
x = 1,374,656,692,431,332.75/53,508,442.32 - Step 6: Final answer
x = 25,690,463.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.