Finding the Fourth Proportional to 69,984,098.90, 104,976,148.35 and 44,348,959.70
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Solution
The fourth proportional to 69,984,098.90, 104,976,148.35 and 44,348,959.70 is: 66,523,439.55
Step by Step Solution
- Step 1: Write the proportion equation
69,984,098.90 : 104,976,148.35 = 44,348,959.70 : x - Step 2: Convert to fraction form
69,984,098.90/104,976,148.35 = 44,348,959.70/x - Step 3: Cross multiply
69,984,098.90x = 104,976,148.35 × 44,348,959.70 - Step 4: Simplify right side
69,984,098.90x = 4,655,582,972,635,372 - Step 5: Solve for x
x = 4,655,582,972,635,372/69,984,098.90 - Step 6: Final answer
x = 66,523,439.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.