Finding the Fourth Proportional to 71,001,527,748.18, 97,985,188,288.26 and 39,319,141,092.18
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Solution
The fourth proportional to 71,001,527,748.18, 97,985,188,288.26 and 39,319,141,092.18 is: 54,262,120,343.58
Step by Step Solution
- Step 1: Write the proportion equation
71,001,527,748.18 : 97,985,188,288.26 = 39,319,141,092.18 : x - Step 2: Convert to fraction form
71,001,527,748.18/97,985,188,288.26 = 39,319,141,092.18/x - Step 3: Cross multiply
71,001,527,748.18x = 97,985,188,288.26 × 39,319,141,092.18 - Step 4: Simplify right side
71,001,527,748.18x = 3,852,693,443,249,917,919,232 - Step 5: Solve for x
x = 3,852,693,443,249,917,919,232/71,001,527,748.18 - Step 6: Final answer
x = 54,262,120,343.58
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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.