Finding the Fourth Proportional to 73,438,309.56, 101,344,306.68 and 40,397,847.24
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Solution
The fourth proportional to 73,438,309.56, 101,344,306.68 and 40,397,847.24 is: 55,748,720.86
Step by Step Solution
- Step 1: Write the proportion equation
73,438,309.56 : 101,344,306.68 = 40,397,847.24 : x - Step 2: Convert to fraction form
73,438,309.56/101,344,306.68 = 40,397,847.24/x - Step 3: Cross multiply
73,438,309.56x = 101,344,306.68 × 40,397,847.24 - Step 4: Simplify right side
73,438,309.56x = 4,094,091,819,902,352 - Step 5: Solve for x
x = 4,094,091,819,902,352/73,438,309.56 - Step 6: Final answer
x = 55,748,720.86
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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.