Finding the Fourth Proportional to 71,001,527,742.18, 97,985,188,279.98 and 39,319,141,086.18
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Solution
The fourth proportional to 71,001,527,742.18, 97,985,188,279.98 and 39,319,141,086.18 is: 54,262,120,335.30
Step by Step Solution
- Step 1: Write the proportion equation
71,001,527,742.18 : 97,985,188,279.98 = 39,319,141,086.18 : x - Step 2: Convert to fraction form
71,001,527,742.18/97,985,188,279.98 = 39,319,141,086.18/x - Step 3: Cross multiply
71,001,527,742.18x = 97,985,188,279.98 × 39,319,141,086.18 - Step 4: Simplify right side
71,001,527,742.18x = 3,852,693,442,336,444,645,376 - Step 5: Solve for x
x = 3,852,693,442,336,444,645,376/71,001,527,742.18 - Step 6: Final answer
x = 54,262,120,335.30
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1.5x scale
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.