Finding the Fourth Proportional to 90,278,960.68, 124,584,990.18 and 49,025,842.12
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Solution
The fourth proportional to 90,278,960.68, 124,584,990.18 and 49,025,842.12 is: 67,655,675.40
Step by Step Solution
- Step 1: Write the proportion equation
90,278,960.68 : 124,584,990.18 = 49,025,842.12 : x - Step 2: Convert to fraction form
90,278,960.68/124,584,990.18 = 49,025,842.12/x - Step 3: Cross multiply
90,278,960.68x = 124,584,990.18 × 49,025,842.12 - Step 4: Simplify right side
90,278,960.68x = 6,107,884,059,086,430 - Step 5: Solve for x
x = 6,107,884,059,086,430/90,278,960.68 - Step 6: Final answer
x = 67,655,675.40
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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.