Finding the Fourth Proportional to 177,726,515.85, 245,263,479.17 and 99,410,069.13
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Solution
The fourth proportional to 177,726,515.85, 245,263,479.17 and 99,410,069.13 is: 137,186,391.70
Step by Step Solution
- Step 1: Write the proportion equation
177,726,515.85 : 245,263,479.17 = 99,410,069.13 : x - Step 2: Convert to fraction form
177,726,515.85/245,263,479.17 = 99,410,069.13/x - Step 3: Cross multiply
177,726,515.85x = 245,263,479.17 × 99,410,069.13 - Step 4: Simplify right side
177,726,515.85x = 24,381,659,418,856,964 - Step 5: Solve for x
x = 24,381,659,418,856,964/177,726,515.85 - Step 6: Final answer
x = 137,186,391.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.