Finding the Fourth Proportional to 108,873,705.80, 163,310,558.70 and 96,119,121.80
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Solution
The fourth proportional to 108,873,705.80, 163,310,558.70 and 96,119,121.80 is: 144,178,682.70
Step by Step Solution
- Step 1: Write the proportion equation
108,873,705.80 : 163,310,558.70 = 96,119,121.80 : x - Step 2: Convert to fraction form
108,873,705.80/163,310,558.70 = 96,119,121.80/x - Step 3: Cross multiply
108,873,705.80x = 163,310,558.70 × 96,119,121.80 - Step 4: Simplify right side
108,873,705.80x = 15,697,267,482,911,348 - Step 5: Solve for x
x = 15,697,267,482,911,348/108,873,705.80 - Step 6: Final answer
x = 144,178,682.70
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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.