Finding the Fourth Proportional to 90,227,810.24, 135,346,933.12 and 25,526,195.28
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Solution
The fourth proportional to 90,227,810.24, 135,346,933.12 and 25,526,195.28 is: 38,290,769.07
Step by Step Solution
- Step 1: Write the proportion equation
90,227,810.24 : 135,346,933.12 = 25,526,195.28 : x - Step 2: Convert to fraction form
90,227,810.24/135,346,933.12 = 25,526,195.28/x - Step 3: Cross multiply
90,227,810.24x = 135,346,933.12 × 25,526,195.28 - Step 4: Simplify right side
90,227,810.24x = 3,454,892,245,370,220 - Step 5: Solve for x
x = 3,454,892,245,370,220/90,227,810.24 - Step 6: Final answer
x = 38,290,769.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.