Finding the Fourth Proportional to 88,315,400.01, 121,875,257.49 and 49,156,336.65
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Solution
The fourth proportional to 88,315,400.01, 121,875,257.49 and 49,156,336.65 is: 67,835,747.63
Step by Step Solution
- Step 1: Write the proportion equation
88,315,400.01 : 121,875,257.49 = 49,156,336.65 : x - Step 2: Convert to fraction form
88,315,400.01/121,875,257.49 = 49,156,336.65/x - Step 3: Cross multiply
88,315,400.01x = 121,875,257.49 × 49,156,336.65 - Step 4: Simplify right side
88,315,400.01x = 5,990,941,186,483,874 - Step 5: Solve for x
x = 5,990,941,186,483,874/88,315,400.01 - Step 6: Final answer
x = 67,835,747.63
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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.