Finding the Fourth Proportional to 77,213,065.95, 106,553,618.76 and 41,930,562.60
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Solution
The fourth proportional to 77,213,065.95, 106,553,618.76 and 41,930,562.60 is: 57,863,952.52
Step by Step Solution
- Step 1: Write the proportion equation
77,213,065.95 : 106,553,618.76 = 41,930,562.60 : x - Step 2: Convert to fraction form
77,213,065.95/106,553,618.76 = 41,930,562.60/x - Step 3: Cross multiply
77,213,065.95x = 106,553,618.76 × 41,930,562.60 - Step 4: Simplify right side
77,213,065.95x = 4,467,853,181,672,715 - Step 5: Solve for x
x = 4,467,853,181,672,715/77,213,065.95 - Step 6: Final answer
x = 57,863,952.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.