Finding the Fourth Proportional to 99,975,226.68, 137,910,291.48 and 58,154,581.08
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Solution
The fourth proportional to 99,975,226.68, 137,910,291.48 and 58,154,581.08 is: 80,221,025.69
Step by Step Solution
- Step 1: Write the proportion equation
99,975,226.68 : 137,910,291.48 = 58,154,581.08 : x - Step 2: Convert to fraction form
99,975,226.68/137,910,291.48 = 58,154,581.08/x - Step 3: Cross multiply
99,975,226.68x = 137,910,291.48 × 58,154,581.08 - Step 4: Simplify right side
99,975,226.68x = 8,020,115,227,640,092 - Step 5: Solve for x
x = 8,020,115,227,640,092/99,975,226.68 - Step 6: Final answer
x = 80,221,025.69
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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.