Finding the Fourth Proportional to 247,917,150.26, 371,878,917.35 and 73,000,413.88
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Solution
The fourth proportional to 247,917,150.26, 371,878,917.35 and 73,000,413.88 is: 109,501,560.70
Step by Step Solution
- Step 1: Write the proportion equation
247,917,150.26 : 371,878,917.35 = 73,000,413.88 : x - Step 2: Convert to fraction form
247,917,150.26/371,878,917.35 = 73,000,413.88/x - Step 3: Cross multiply
247,917,150.26x = 371,878,917.35 × 73,000,413.88 - Step 4: Simplify right side
247,917,150.26x = 27,147,314,878,501,616 - Step 5: Solve for x
x = 27,147,314,878,501,616/247,917,150.26 - Step 6: Final answer
x = 109,501,560.70
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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.