Finding the Fourth Proportional to 81,033,486.62, 121,560,693.17 and 37,303,698.11
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Solution
The fourth proportional to 81,033,486.62, 121,560,693.17 and 37,303,698.11 is: 55,960,363.90
Step by Step Solution
- Step 1: Write the proportion equation
81,033,486.62 : 121,560,693.17 = 37,303,698.11 : x - Step 2: Convert to fraction form
81,033,486.62/121,560,693.17 = 37,303,698.11/x - Step 3: Cross multiply
81,033,486.62x = 121,560,693.17 × 37,303,698.11 - Step 4: Simplify right side
81,033,486.62x = 4,534,663,399,261,697 - Step 5: Solve for x
x = 4,534,663,399,261,697/81,033,486.62 - Step 6: Final answer
x = 55,960,363.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.