Finding the Fourth Proportional to 74,472,602.16, 102,729,395.18 and 46,546,847.70
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Solution
The fourth proportional to 74,472,602.16, 102,729,395.18 and 46,546,847.70 is: 64,207,901.60
Step by Step Solution
- Step 1: Write the proportion equation
74,472,602.16 : 102,729,395.18 = 46,546,847.70 : x - Step 2: Convert to fraction form
74,472,602.16/102,729,395.18 = 46,546,847.70/x - Step 3: Cross multiply
74,472,602.16x = 102,729,395.18 × 46,546,847.70 - Step 4: Simplify right side
74,472,602.16x = 4,781,729,511,756,575 - Step 5: Solve for x
x = 4,781,729,511,756,575/74,472,602.16 - Step 6: Final answer
x = 64,207,901.60
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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.