Finding the Fourth Proportional to 113,103,445.80, 169,655,168.70 and 55,707,817.80
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Solution
The fourth proportional to 113,103,445.80, 169,655,168.70 and 55,707,817.80 is: 83,561,726.70
Step by Step Solution
- Step 1: Write the proportion equation
113,103,445.80 : 169,655,168.70 = 55,707,817.80 : x - Step 2: Convert to fraction form
113,103,445.80/169,655,168.70 = 55,707,817.80/x - Step 3: Cross multiply
113,103,445.80x = 169,655,168.70 × 55,707,817.80 - Step 4: Simplify right side
113,103,445.80x = 9,451,119,226,767,862 - Step 5: Solve for x
x = 9,451,119,226,767,862/113,103,445.80 - Step 6: Final answer
x = 83,561,726.70
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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.