Finding the Fourth Proportional to 93,965,203.19, 129,687,565.32 and 54,806,978.84
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Solution
The fourth proportional to 93,965,203.19, 129,687,565.32 and 54,806,978.84 is: 75,642,720.99
Step by Step Solution
- Step 1: Write the proportion equation
93,965,203.19 : 129,687,565.32 = 54,806,978.84 : x - Step 2: Convert to fraction form
93,965,203.19/129,687,565.32 = 54,806,978.84/x - Step 3: Cross multiply
93,965,203.19x = 129,687,565.32 × 54,806,978.84 - Step 4: Simplify right side
93,965,203.19x = 7,107,783,647,655,920 - Step 5: Solve for x
x = 7,107,783,647,655,920/93,965,203.19 - Step 6: Final answer
x = 75,642,720.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.