Finding the Fourth Proportional to 100,244,624.79, 138,366,413.61 and 60,545,849.76
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Solution
The fourth proportional to 100,244,624.79, 138,366,413.61 and 60,545,849.76 is: 83,570,686.29
Step by Step Solution
- Step 1: Write the proportion equation
100,244,624.79 : 138,366,413.61 = 60,545,849.76 : x - Step 2: Convert to fraction form
100,244,624.79/138,366,413.61 = 60,545,849.76/x - Step 3: Cross multiply
100,244,624.79x = 138,366,413.61 × 60,545,849.76 - Step 4: Simplify right side
100,244,624.79x = 8,377,512,090,261,080 - Step 5: Solve for x
x = 8,377,512,090,261,080/100,244,624.79 - Step 6: Final answer
x = 83,570,686.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.