Finding the Fourth Proportional to 83,974,541.70, 125,961,812.55 and 69,625,634.70
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Solution
The fourth proportional to 83,974,541.70, 125,961,812.55 and 69,625,634.70 is: 104,438,452.05
Step by Step Solution
- Step 1: Write the proportion equation
83,974,541.70 : 125,961,812.55 = 69,625,634.70 : x - Step 2: Convert to fraction form
83,974,541.70/125,961,812.55 = 69,625,634.70/x - Step 3: Cross multiply
83,974,541.70x = 125,961,812.55 × 69,625,634.70 - Step 4: Simplify right side
83,974,541.70x = 8,770,171,146,756,176 - Step 5: Solve for x
x = 8,770,171,146,756,176/83,974,541.70 - Step 6: Final answer
x = 104,438,452.05
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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.