Finding the Fourth Proportional to 115,879,149.80, 173,818,724.70 and 62,131,437.80
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Solution
The fourth proportional to 115,879,149.80, 173,818,724.70 and 62,131,437.80 is: 93,197,156.70
Step by Step Solution
- Step 1: Write the proportion equation
115,879,149.80 : 173,818,724.70 = 62,131,437.80 : x - Step 2: Convert to fraction form
115,879,149.80/173,818,724.70 = 62,131,437.80/x - Step 3: Cross multiply
115,879,149.80x = 173,818,724.70 × 62,131,437.80 - Step 4: Simplify right side
115,879,149.80x = 10,799,607,282,173,372 - Step 5: Solve for x
x = 10,799,607,282,173,372/115,879,149.80 - Step 6: Final answer
x = 93,197,156.70
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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.