Finding the Fourth Proportional to 87,404,476.91, 120,618,159.83 and 48,246,243.53
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Solution
The fourth proportional to 87,404,476.91, 120,618,159.83 and 48,246,243.53 is: 66,579,805.96
Step by Step Solution
- Step 1: Write the proportion equation
87,404,476.91 : 120,618,159.83 = 48,246,243.53 : x - Step 2: Convert to fraction form
87,404,476.91/120,618,159.83 = 48,246,243.53/x - Step 3: Cross multiply
87,404,476.91x = 120,618,159.83 × 48,246,243.53 - Step 4: Simplify right side
87,404,476.91x = 5,819,373,112,454,321 - Step 5: Solve for x
x = 5,819,373,112,454,321/87,404,476.91 - Step 6: Final answer
x = 66,579,805.96
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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.