Finding the Fourth Proportional to 73,438,169.40, 101,344,113.36 and 40,397,707.08
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Solution
The fourth proportional to 73,438,169.40, 101,344,113.36 and 40,397,707.08 is: 55,748,527.49
Step by Step Solution
- Step 1: Write the proportion equation
73,438,169.40 : 101,344,113.36 = 40,397,707.08 : x - Step 2: Convert to fraction form
73,438,169.40/101,344,113.36 = 40,397,707.08/x - Step 3: Cross multiply
73,438,169.40x = 101,344,113.36 × 40,397,707.08 - Step 4: Simplify right side
73,438,169.40x = 4,094,069,805,799,594.50 - Step 5: Solve for x
x = 4,094,069,805,799,594.50/73,438,169.40 - Step 6: Final answer
x = 55,748,527.49
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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.