Finding the Fourth Proportional to 71,065,888.96, 106,598,821.28 and 38,744,971.69
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Solution
The fourth proportional to 71,065,888.96, 106,598,821.28 and 38,744,971.69 is: 58,117,450.90
Step by Step Solution
- Step 1: Write the proportion equation
71,065,888.96 : 106,598,821.28 = 38,744,971.69 : x - Step 2: Convert to fraction form
71,065,888.96/106,598,821.28 = 38,744,971.69/x - Step 3: Cross multiply
71,065,888.96x = 106,598,821.28 × 38,744,971.69 - Step 4: Simplify right side
71,065,888.96x = 4,130,168,312,220,748 - Step 5: Solve for x
x = 4,130,168,312,220,748/71,065,888.96 - Step 6: Final answer
x = 58,117,450.90
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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.