Finding the Fourth Proportional to 170,176,766.10, 234,844,423.62 and 98,663,545.44
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Solution
The fourth proportional to 170,176,766.10, 234,844,423.62 and 98,663,545.44 is: 136,155,974.71
Step by Step Solution
- Step 1: Write the proportion equation
170,176,766.10 : 234,844,423.62 = 98,663,545.44 : x - Step 2: Convert to fraction form
170,176,766.10/234,844,423.62 = 98,663,545.44/x - Step 3: Cross multiply
170,176,766.10x = 234,844,423.62 × 98,663,545.44 - Step 4: Simplify right side
170,176,766.10x = 23,170,583,461,162,480 - Step 5: Solve for x
x = 23,170,583,461,162,480/170,176,766.10 - Step 6: Final answer
x = 136,155,974.71
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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.