Finding the Fourth Proportional to 75,551,806.80, 113,327,710.20 and 59,112,565.20
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Solution
The fourth proportional to 75,551,806.80, 113,327,710.20 and 59,112,565.20 is: 88,668,847.80
Step by Step Solution
- Step 1: Write the proportion equation
75,551,806.80 : 113,327,710.20 = 59,112,565.20 : x - Step 2: Convert to fraction form
75,551,806.80/113,327,710.20 = 59,112,565.20/x - Step 3: Cross multiply
75,551,806.80x = 113,327,710.20 × 59,112,565.20 - Step 4: Simplify right side
75,551,806.80x = 6,699,091,658,164,206 - Step 5: Solve for x
x = 6,699,091,658,164,206/75,551,806.80 - Step 6: Final answer
x = 88,668,847.80
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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.