Finding the Fourth Proportional to 79,905,603.10, 119,858,404.65 and 36,858,882.10
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Solution
The fourth proportional to 79,905,603.10, 119,858,404.65 and 36,858,882.10 is: 55,288,323.15
Step by Step Solution
- Step 1: Write the proportion equation
79,905,603.10 : 119,858,404.65 = 36,858,882.10 : x - Step 2: Convert to fraction form
79,905,603.10/119,858,404.65 = 36,858,882.10/x - Step 3: Cross multiply
79,905,603.10x = 119,858,404.65 × 36,858,882.10 - Step 4: Simplify right side
79,905,603.10x = 4,417,846,805,688,442 - Step 5: Solve for x
x = 4,417,846,805,688,442/79,905,603.10 - Step 6: Final answer
x = 55,288,323.15
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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.