Finding the Fourth Proportional to 87,708,328.38, 121,036,026.33 and 48,549,265.02
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Solution
The fourth proportional to 87,708,328.38, 121,036,026.33 and 48,549,265.02 is: 66,997,173.79
Step by Step Solution
- Step 1: Write the proportion equation
87,708,328.38 : 121,036,026.33 = 48,549,265.02 : x - Step 2: Convert to fraction form
87,708,328.38/121,036,026.33 = 48,549,265.02/x - Step 3: Cross multiply
87,708,328.38x = 121,036,026.33 × 48,549,265.02 - Step 4: Simplify right side
87,708,328.38x = 5,876,210,119,262,868 - Step 5: Solve for x
x = 5,876,210,119,262,868/87,708,328.38 - Step 6: Final answer
x = 66,997,173.79
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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.