Finding the Fourth Proportional to 75,164,132.52, 103,724,738.68 and 44,226,305.64
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Solution
The fourth proportional to 75,164,132.52, 103,724,738.68 and 44,226,305.64 is: 61,031,263.74
Step by Step Solution
- Step 1: Write the proportion equation
75,164,132.52 : 103,724,738.68 = 44,226,305.64 : x - Step 2: Convert to fraction form
75,164,132.52/103,724,738.68 = 44,226,305.64/x - Step 3: Cross multiply
75,164,132.52x = 103,724,738.68 × 44,226,305.64 - Step 4: Simplify right side
75,164,132.52x = 4,587,361,995,290,811 - Step 5: Solve for x
x = 4,587,361,995,290,811/75,164,132.52 - Step 6: Final answer
x = 61,031,263.74
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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.