Finding the Fourth Proportional to 181,657,906.20, 272,486,859.30 and 160,134,545.70
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Solution
The fourth proportional to 181,657,906.20, 272,486,859.30 and 160,134,545.70 is: 240,201,818.55
Step by Step Solution
- Step 1: Write the proportion equation
181,657,906.20 : 272,486,859.30 = 160,134,545.70 : x - Step 2: Convert to fraction form
181,657,906.20/272,486,859.30 = 160,134,545.70/x - Step 3: Cross multiply
181,657,906.20x = 272,486,859.30 × 160,134,545.70 - Step 4: Simplify right side
181,657,906.20x = 43,634,559,423,225,320 - Step 5: Solve for x
x = 43,634,559,423,225,320/181,657,906.20 - Step 6: Final answer
x = 240,201,818.55
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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.