Finding the Fourth Proportional to 165,024,154.80, 247,536,232.20 and 146,370,575.70
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Solution
The fourth proportional to 165,024,154.80, 247,536,232.20 and 146,370,575.70 is: 219,555,863.55
Step by Step Solution
- Step 1: Write the proportion equation
165,024,154.80 : 247,536,232.20 = 146,370,575.70 : x - Step 2: Convert to fraction form
165,024,154.80/247,536,232.20 = 146,370,575.70/x - Step 3: Cross multiply
165,024,154.80x = 247,536,232.20 × 146,370,575.70 - Step 4: Simplify right side
165,024,154.80x = 36,232,020,813,722,872 - Step 5: Solve for x
x = 36,232,020,813,722,872/165,024,154.80 - Step 6: Final answer
x = 219,555,863.55
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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.