Finding the Fourth Proportional to 69,170,139.31, 95,454,711.36 and 37,808,394.26
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Solution
The fourth proportional to 69,170,139.31, 95,454,711.36 and 37,808,394.26 is: 52,175,539.86
Step by Step Solution
- Step 1: Write the proportion equation
69,170,139.31 : 95,454,711.36 = 37,808,394.26 : x - Step 2: Convert to fraction form
69,170,139.31/95,454,711.36 = 37,808,394.26/x - Step 3: Cross multiply
69,170,139.31x = 95,454,711.36 × 37,808,394.26 - Step 4: Simplify right side
69,170,139.31x = 3,608,989,360,864,526 - Step 5: Solve for x
x = 3,608,989,360,864,526/69,170,139.31 - Step 6: Final answer
x = 52,175,539.86
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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.