Finding the Fourth Proportional to 94,121,302.75, 129,890,552.02 and 52,307,130.43
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Solution
The fourth proportional to 94,121,302.75, 129,890,552.02 and 52,307,130.43 is: 72,185,592.93
Step by Step Solution
- Step 1: Write the proportion equation
94,121,302.75 : 129,890,552.02 = 52,307,130.43 : x - Step 2: Convert to fraction form
94,121,302.75/129,890,552.02 = 52,307,130.43/x - Step 3: Cross multiply
94,121,302.75x = 129,890,552.02 × 52,307,130.43 - Step 4: Simplify right side
94,121,302.75x = 6,794,202,046,134,840 - Step 5: Solve for x
x = 6,794,202,046,134,840/94,121,302.75 - Step 6: Final answer
x = 72,185,592.93
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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.