Finding the Fourth Proportional to 79,231,652.70, 111,125,867.70 and 79,231,652.70
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Solution
The fourth proportional to 79,231,652.70, 111,125,867.70 and 79,231,652.70 is: 111,125,867.70
Step by Step Solution
- Step 1: Write the proportion equation
79,231,652.70 : 111,125,867.70 = 79,231,652.70 : x - Step 2: Convert to fraction form
79,231,652.70/111,125,867.70 = 79,231,652.70/x - Step 3: Cross multiply
79,231,652.70x = 111,125,867.70 × 79,231,652.70 - Step 4: Simplify right side
79,231,652.70x = 8,804,686,155,592,548 - Step 5: Solve for x
x = 8,804,686,155,592,548/79,231,652.70 - Step 6: Final answer
x = 111,125,867.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.