Finding the Fourth Proportional to 83,597,385.70, 125,205,164.99 and 39,908,876.19
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Solution
The fourth proportional to 83,597,385.70, 125,205,164.99 and 39,908,876.19 is: 59,772,173.33
Step by Step Solution
- Step 1: Write the proportion equation
83,597,385.70 : 125,205,164.99 = 39,908,876.19 : x - Step 2: Convert to fraction form
83,597,385.70/125,205,164.99 = 39,908,876.19/x - Step 3: Cross multiply
83,597,385.70x = 125,205,164.99 × 39,908,876.19 - Step 4: Simplify right side
83,597,385.70x = 4,996,797,427,934,432 - Step 5: Solve for x
x = 4,996,797,427,934,432/83,597,385.70 - Step 6: Final answer
x = 59,772,173.33
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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.