Finding the Fourth Proportional to 70,969,951.60, 106,454,927.40 and 48,295,135.60
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Solution
The fourth proportional to 70,969,951.60, 106,454,927.40 and 48,295,135.60 is: 72,442,703.40
Step by Step Solution
- Step 1: Write the proportion equation
70,969,951.60 : 106,454,927.40 = 48,295,135.60 : x - Step 2: Convert to fraction form
70,969,951.60/106,454,927.40 = 48,295,135.60/x - Step 3: Cross multiply
70,969,951.60x = 106,454,927.40 × 48,295,135.60 - Step 4: Simplify right side
70,969,951.60x = 5,141,255,154,071,156 - Step 5: Solve for x
x = 5,141,255,154,071,156/70,969,951.60 - Step 6: Final answer
x = 72,442,703.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.