Finding the Fourth Proportional to 468,925,101.05, 703,318,463.12 and 136,842,946.55
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Solution
The fourth proportional to 468,925,101.05, 703,318,463.12 and 136,842,946.55 is: 205,244,229.07
Step by Step Solution
- Step 1: Write the proportion equation
468,925,101.05 : 703,318,463.12 = 136,842,946.55 : x - Step 2: Convert to fraction form
468,925,101.05/703,318,463.12 = 136,842,946.55/x - Step 3: Cross multiply
468,925,101.05x = 703,318,463.12 × 136,842,946.55 - Step 4: Simplify right side
468,925,101.05x = 96,244,170,857,432,400 - Step 5: Solve for x
x = 96,244,170,857,432,400/468,925,101.05 - Step 6: Final answer
x = 205,244,229.07
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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.