Finding the Fourth Proportional to 117,838,452.20, 176,746,772.28 and 55,575,490.10
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Solution
The fourth proportional to 117,838,452.20, 176,746,772.28 and 55,575,490.10 is: 83,358,091.60
Step by Step Solution
- Step 1: Write the proportion equation
117,838,452.20 : 176,746,772.28 = 55,575,490.10 : x - Step 2: Convert to fraction form
117,838,452.20/176,746,772.28 = 55,575,490.10/x - Step 3: Cross multiply
117,838,452.20x = 176,746,772.28 × 55,575,490.10 - Step 4: Simplify right side
117,838,452.20x = 9,822,788,493,054,094 - Step 5: Solve for x
x = 9,822,788,493,054,094/117,838,452.20 - Step 6: Final answer
x = 83,358,091.60
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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.