Finding the Fourth Proportional to 177,865,545.06, 245,398,520.97 and 99,536,652.90
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Solution
The fourth proportional to 177,865,545.06, 245,398,520.97 and 99,536,652.90 is: 137,329,280.92
Step by Step Solution
- Step 1: Write the proportion equation
177,865,545.06 : 245,398,520.97 = 99,536,652.90 : x - Step 2: Convert to fraction form
177,865,545.06/245,398,520.97 = 99,536,652.90/x - Step 3: Cross multiply
177,865,545.06x = 245,398,520.97 × 99,536,652.90 - Step 4: Simplify right side
177,865,545.06x = 24,426,147,403,964,264 - Step 5: Solve for x
x = 24,426,147,403,964,264/177,865,545.06 - Step 6: Final answer
x = 137,329,280.92
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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.