Finding the Fourth Proportional to 99,304,686.79, 148,970,045.57 and 32,809,023.62
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Solution
The fourth proportional to 99,304,686.79, 148,970,045.57 and 32,809,023.62 is: 49,217,835.56
Step by Step Solution
- Step 1: Write the proportion equation
99,304,686.79 : 148,970,045.57 = 32,809,023.62 : x - Step 2: Convert to fraction form
99,304,686.79/148,970,045.57 = 32,809,023.62/x - Step 3: Cross multiply
99,304,686.79x = 148,970,045.57 × 32,809,023.62 - Step 4: Simplify right side
99,304,686.79x = 4,887,561,744,266,454 - Step 5: Solve for x
x = 4,887,561,744,266,454/99,304,686.79 - Step 6: Final answer
x = 49,217,835.56
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1.5x scale
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.