Finding the Fourth Proportional to 50,862,509.66, 70,191,593.61 and 27,658,993.70
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Solution
The fourth proportional to 50,862,509.66, 70,191,593.61 and 27,658,993.70 is: 38,170,134.71
Step by Step Solution
- Step 1: Write the proportion equation
50,862,509.66 : 70,191,593.61 = 27,658,993.70 : x - Step 2: Convert to fraction form
50,862,509.66/70,191,593.61 = 27,658,993.70/x - Step 3: Cross multiply
50,862,509.66x = 70,191,593.61 × 27,658,993.70 - Step 4: Simplify right side
50,862,509.66x = 1,941,428,845,451,950.25 - Step 5: Solve for x
x = 1,941,428,845,451,950.25/50,862,509.66 - Step 6: Final answer
x = 38,170,134.71
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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.