Finding the Fourth Proportional to 86,033,199, 129,049,680.76 and 39,949,868.28
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Solution
The fourth proportional to 86,033,199, 129,049,680.76 and 39,949,868.28 is: 59,924,747.75
Step by Step Solution
- Step 1: Write the proportion equation
86,033,199 : 129,049,680.76 = 39,949,868.28 : x - Step 2: Convert to fraction form
86,033,199/129,049,680.76 = 39,949,868.28/x - Step 3: Cross multiply
86,033,199x = 129,049,680.76 × 39,949,868.28 - Step 4: Simplify right side
86,033,199x = 5,155,517,747,938,051 - Step 5: Solve for x
x = 5,155,517,747,938,051/86,033,199 - Step 6: Final answer
x = 59,924,747.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.