Finding the Fourth Proportional to 260,735,114.20, 391,102,671.30 and 88,217,555.80
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Solution
The fourth proportional to 260,735,114.20, 391,102,671.30 and 88,217,555.80 is: 132,326,333.70
Step by Step Solution
- Step 1: Write the proportion equation
260,735,114.20 : 391,102,671.30 = 88,217,555.80 : x - Step 2: Convert to fraction form
260,735,114.20/391,102,671.30 = 88,217,555.80/x - Step 3: Cross multiply
260,735,114.20x = 391,102,671.30 × 88,217,555.80 - Step 4: Simplify right side
260,735,114.20x = 34,502,121,728,936,808 - Step 5: Solve for x
x = 34,502,121,728,936,808/260,735,114.20 - Step 6: Final answer
x = 132,326,333.70
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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.