Finding the Fourth Proportional to 122,874,919.44, 169,564,151.16 and 67,869,594.96
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Solution
The fourth proportional to 122,874,919.44, 169,564,151.16 and 67,869,594.96 is: 93,658,252.73
Step by Step Solution
- Step 1: Write the proportion equation
122,874,919.44 : 169,564,151.16 = 67,869,594.96 : x - Step 2: Convert to fraction form
122,874,919.44/169,564,151.16 = 67,869,594.96/x - Step 3: Cross multiply
122,874,919.44x = 169,564,151.16 × 67,869,594.96 - Step 4: Simplify right side
122,874,919.44x = 11,508,250,258,965,412 - Step 5: Solve for x
x = 11,508,250,258,965,412/122,874,919.44 - Step 6: Final answer
x = 93,658,252.73
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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.