Finding the Fourth Proportional to 103,421,073.24, 155,177,301.33 and 54,225,164.68
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Solution
The fourth proportional to 103,421,073.24, 155,177,301.33 and 54,225,164.68 is: 81,361,703.72
Step by Step Solution
- Step 1: Write the proportion equation
103,421,073.24 : 155,177,301.33 = 54,225,164.68 : x - Step 2: Convert to fraction form
103,421,073.24/155,177,301.33 = 54,225,164.68/x - Step 3: Cross multiply
103,421,073.24x = 155,177,301.33 × 54,225,164.68 - Step 4: Simplify right side
103,421,073.24x = 8,414,514,720,001,427 - Step 5: Solve for x
x = 8,414,514,720,001,427/103,421,073.24 - Step 6: Final answer
x = 81,361,703.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.