Finding the Fourth Proportional to 227,083,909.17, 313,375,920.62 and 122,661,981.07
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Solution
The fourth proportional to 227,083,909.17, 313,375,920.62 and 122,661,981.07 is: 169,273,601.92
Step by Step Solution
- Step 1: Write the proportion equation
227,083,909.17 : 313,375,920.62 = 122,661,981.07 : x - Step 2: Convert to fraction form
227,083,909.17/313,375,920.62 = 122,661,981.07/x - Step 3: Cross multiply
227,083,909.17x = 313,375,920.62 × 122,661,981.07 - Step 4: Simplify right side
227,083,909.17x = 38,439,311,242,884,264 - Step 5: Solve for x
x = 38,439,311,242,884,264/227,083,909.17 - Step 6: Final answer
x = 169,273,601.92
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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.