Finding the Fourth Proportional to 65,712,812.70, 98,569,219.05 and 29,321,132.70
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Solution
The fourth proportional to 65,712,812.70, 98,569,219.05 and 29,321,132.70 is: 43,981,699.05
Step by Step Solution
- Step 1: Write the proportion equation
65,712,812.70 : 98,569,219.05 = 29,321,132.70 : x - Step 2: Convert to fraction form
65,712,812.70/98,569,219.05 = 29,321,132.70/x - Step 3: Cross multiply
65,712,812.70x = 98,569,219.05 × 29,321,132.70 - Step 4: Simplify right side
65,712,812.70x = 2,890,161,151,900,418 - Step 5: Solve for x
x = 2,890,161,151,900,418/65,712,812.70 - Step 6: Final answer
x = 43,981,699.05
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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.