Finding the Fourth Proportional to 177,773,115.66, 245,336,430.06 and 99,451,998.15
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Solution
The fourth proportional to 177,773,115.66, 245,336,430.06 and 99,451,998.15 is: 137,249,089.09
Step by Step Solution
- Step 1: Write the proportion equation
177,773,115.66 : 245,336,430.06 = 99,451,998.15 : x - Step 2: Convert to fraction form
177,773,115.66/245,336,430.06 = 99,451,998.15/x - Step 3: Cross multiply
177,773,115.66x = 245,336,430.06 × 99,451,998.15 - Step 4: Simplify right side
177,773,115.66x = 24,399,198,188,454,728 - Step 5: Solve for x
x = 24,399,198,188,454,728/177,773,115.66 - Step 6: Final answer
x = 137,249,089.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.