Finding the Fourth Proportional to 83,328,864.33, 124,486,478.61 and 53,943,311.52
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Solution
The fourth proportional to 83,328,864.33, 124,486,478.61 and 53,943,311.52 is: 80,586,876.46
Step by Step Solution
- Step 1: Write the proportion equation
83,328,864.33 : 124,486,478.61 = 53,943,311.52 : x - Step 2: Convert to fraction form
83,328,864.33/124,486,478.61 = 53,943,311.52/x - Step 3: Cross multiply
83,328,864.33x = 124,486,478.61 × 53,943,311.52 - Step 4: Simplify right side
83,328,864.33x = 6,715,212,895,687,047 - Step 5: Solve for x
x = 6,715,212,895,687,047/83,328,864.33 - Step 6: Final answer
x = 80,586,876.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.