Finding the Fourth Proportional to 88,001,202.71, 121,431,810.21 and 48,844,629.83
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Solution
The fourth proportional to 88,001,202.71, 121,431,810.21 and 48,844,629.83 is: 67,400,122.23
Step by Step Solution
- Step 1: Write the proportion equation
88,001,202.71 : 121,431,810.21 = 48,844,629.83 : x - Step 2: Convert to fraction form
88,001,202.71/121,431,810.21 = 48,844,629.83/x - Step 3: Cross multiply
88,001,202.71x = 121,431,810.21 × 48,844,629.83 - Step 4: Simplify right side
88,001,202.71x = 5,931,291,819,294,264 - Step 5: Solve for x
x = 5,931,291,819,294,264/88,001,202.71 - Step 6: Final answer
x = 67,400,122.23
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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.