Finding the Fourth Proportional to 57,465,865.12, 79,304,566.08 and 31,362,062.08
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Solution
The fourth proportional to 57,465,865.12, 79,304,566.08 and 31,362,062.08 is: 43,280,558.28
Step by Step Solution
- Step 1: Write the proportion equation
57,465,865.12 : 79,304,566.08 = 31,362,062.08 : x - Step 2: Convert to fraction form
57,465,865.12/79,304,566.08 = 31,362,062.08/x - Step 3: Cross multiply
57,465,865.12x = 79,304,566.08 × 31,362,062.08 - Step 4: Simplify right side
57,465,865.12x = 2,487,154,724,628,422 - Step 5: Solve for x
x = 2,487,154,724,628,422/57,465,865.12 - Step 6: Final answer
x = 43,280,558.28
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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.