Finding the Fourth Proportional to 87,746,129.36, 121,088,174.56 and 48,587,065.44
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Solution
The fourth proportional to 87,746,129.36, 121,088,174.56 and 48,587,065.44 is: 67,049,328.61
Step by Step Solution
- Step 1: Write the proportion equation
87,746,129.36 : 121,088,174.56 = 48,587,065.44 : x - Step 2: Convert to fraction form
87,746,129.36/121,088,174.56 = 48,587,065.44/x - Step 3: Cross multiply
87,746,129.36x = 121,088,174.56 × 48,587,065.44 - Step 4: Simplify right side
87,746,129.36x = 5,883,319,061,356,863 - Step 5: Solve for x
x = 5,883,319,061,356,863/87,746,129.36 - Step 6: Final answer
x = 67,049,328.61
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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.