Finding the Fourth Proportional to 119,331,823.65, 164,676,262.86 and 67,120,894.68
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Solution
The fourth proportional to 119,331,823.65, 164,676,262.86 and 67,120,894.68 is: 92,625,904.45
Step by Step Solution
- Step 1: Write the proportion equation
119,331,823.65 : 164,676,262.86 = 67,120,894.68 : x - Step 2: Convert to fraction form
119,331,823.65/164,676,262.86 = 67,120,894.68/x - Step 3: Cross multiply
119,331,823.65x = 164,676,262.86 × 67,120,894.68 - Step 4: Simplify right side
119,331,823.65x = 11,053,218,095,722,058 - Step 5: Solve for x
x = 11,053,218,095,722,058/119,331,823.65 - Step 6: Final answer
x = 92,625,904.45
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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.