Finding the Fourth Proportional to 88,125,808.31, 121,616,352.93 and 48,432,618.80
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Solution
The fourth proportional to 88,125,808.31, 121,616,352.93 and 48,432,618.80 is: 66,838,518.41
Step by Step Solution
- Step 1: Write the proportion equation
88,125,808.31 : 121,616,352.93 = 48,432,618.80 : x - Step 2: Convert to fraction form
88,125,808.31/121,616,352.93 = 48,432,618.80/x - Step 3: Cross multiply
88,125,808.31x = 121,616,352.93 × 48,432,618.80 - Step 4: Simplify right side
88,125,808.31x = 5,890,198,460,696,872 - Step 5: Solve for x
x = 5,890,198,460,696,872/88,125,808.31 - Step 6: Final answer
x = 66,838,518.41
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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.