Finding the Fourth Proportional to 57,465,861.12, 79,304,560.56 and 31,362,058.08
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Solution
The fourth proportional to 57,465,861.12, 79,304,560.56 and 31,362,058.08 is: 43,280,552.76
Step by Step Solution
- Step 1: Write the proportion equation
57,465,861.12 : 79,304,560.56 = 31,362,058.08 : x - Step 2: Convert to fraction form
57,465,861.12/79,304,560.56 = 31,362,058.08/x - Step 3: Cross multiply
57,465,861.12x = 79,304,560.56 × 31,362,058.08 - Step 4: Simplify right side
57,465,861.12x = 2,487,154,234,291,597.50 - Step 5: Solve for x
x = 2,487,154,234,291,597.50/57,465,861.12 - Step 6: Final answer
x = 43,280,552.76
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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.