Finding the Fourth Proportional to 66,438,117.70, 99,657,176.55 and 26,048,601.70
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Solution
The fourth proportional to 66,438,117.70, 99,657,176.55 and 26,048,601.70 is: 39,072,902.55
Step by Step Solution
- Step 1: Write the proportion equation
66,438,117.70 : 99,657,176.55 = 26,048,601.70 : x - Step 2: Convert to fraction form
66,438,117.70/99,657,176.55 = 26,048,601.70/x - Step 3: Cross multiply
66,438,117.70x = 99,657,176.55 × 26,048,601.70 - Step 4: Simplify right side
66,438,117.70x = 2,595,930,098,497,530 - Step 5: Solve for x
x = 2,595,930,098,497,530/66,438,117.70 - Step 6: Final answer
x = 39,072,902.55
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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.