Finding the Fourth Proportional to 74,472,599.17, 102,729,391.06 and 46,546,844.70
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Solution
The fourth proportional to 74,472,599.17, 102,729,391.06 and 46,546,844.70 is: 64,207,897.46
Step by Step Solution
- Step 1: Write the proportion equation
74,472,599.17 : 102,729,391.06 = 46,546,844.70 : x - Step 2: Convert to fraction form
74,472,599.17/102,729,391.06 = 46,546,844.70/x - Step 3: Cross multiply
74,472,599.17x = 102,729,391.06 × 46,546,844.70 - Step 4: Simplify right side
74,472,599.17x = 4,781,729,011,049,008 - Step 5: Solve for x
x = 4,781,729,011,049,008/74,472,599.17 - Step 6: Final answer
x = 64,207,897.46
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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.