Finding the Fourth Proportional to 357,841,413.11, 536,629,215.66 and 124,612,231.70
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Solution
The fourth proportional to 357,841,413.11, 536,629,215.66 and 124,612,231.70 is: 186,872,065.97
Step by Step Solution
- Step 1: Write the proportion equation
357,841,413.11 : 536,629,215.66 = 124,612,231.70 : x - Step 2: Convert to fraction form
357,841,413.11/536,629,215.66 = 124,612,231.70/x - Step 3: Cross multiply
357,841,413.11x = 536,629,215.66 × 124,612,231.70 - Step 4: Simplify right side
357,841,413.11x = 66,870,564,156,130,040 - Step 5: Solve for x
x = 66,870,564,156,130,040/357,841,413.11 - Step 6: Final answer
x = 186,872,065.97
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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.