Finding the Fourth Proportional to 53,177,853.47, 73,445,972.18 and 35,743,931.46
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Solution
The fourth proportional to 53,177,853.47, 73,445,972.18 and 35,743,931.46 is: 49,367,314.10
Step by Step Solution
- Step 1: Write the proportion equation
53,177,853.47 : 73,445,972.18 = 35,743,931.46 : x - Step 2: Convert to fraction form
53,177,853.47/73,445,972.18 = 35,743,931.46/x - Step 3: Cross multiply
53,177,853.47x = 73,445,972.18 × 35,743,931.46 - Step 4: Simplify right side
53,177,853.47x = 2,625,247,795,436,267 - Step 5: Solve for x
x = 2,625,247,795,436,267/53,177,853.47 - Step 6: Final answer
x = 49,367,314.10
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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.