Finding the Fourth Proportional to 57,465,862.12, 79,304,561.94 and 31,362,059.08
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Solution
The fourth proportional to 57,465,862.12, 79,304,561.94 and 31,362,059.08 is: 43,280,554.14
Step by Step Solution
- Step 1: Write the proportion equation
57,465,862.12 : 79,304,561.94 = 31,362,059.08 : x - Step 2: Convert to fraction form
57,465,862.12/79,304,561.94 = 31,362,059.08/x - Step 3: Cross multiply
57,465,862.12x = 79,304,561.94 × 31,362,059.08 - Step 4: Simplify right side
57,465,862.12x = 2,487,154,356,875,799 - Step 5: Solve for x
x = 2,487,154,356,875,799/57,465,862.12 - Step 6: Final answer
x = 43,280,554.14
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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.