Finding the Fourth Proportional to 79,082,471.69, 109,125,502.70 and 43,799,352.52
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Solution
The fourth proportional to 79,082,471.69, 109,125,502.70 and 43,799,352.52 is: 60,438,505.02
Step by Step Solution
- Step 1: Write the proportion equation
79,082,471.69 : 109,125,502.70 = 43,799,352.52 : x - Step 2: Convert to fraction form
79,082,471.69/109,125,502.70 = 43,799,352.52/x - Step 3: Cross multiply
79,082,471.69x = 109,125,502.70 × 43,799,352.52 - Step 4: Simplify right side
79,082,471.69x = 4,779,626,362,068,948 - Step 5: Solve for x
x = 4,779,626,362,068,948/79,082,471.69 - Step 6: Final answer
x = 60,438,505.02
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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.