Finding the Fourth Proportional to 84,994,246.80, 127,491,370.20 and 67,988,134.80
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Solution
The fourth proportional to 84,994,246.80, 127,491,370.20 and 67,988,134.80 is: 101,982,202.20
Step by Step Solution
- Step 1: Write the proportion equation
84,994,246.80 : 127,491,370.20 = 67,988,134.80 : x - Step 2: Convert to fraction form
84,994,246.80/127,491,370.20 = 67,988,134.80/x - Step 3: Cross multiply
84,994,246.80x = 127,491,370.20 × 67,988,134.80 - Step 4: Simplify right side
84,994,246.80x = 8,667,900,462,994,303 - Step 5: Solve for x
x = 8,667,900,462,994,303/84,994,246.80 - Step 6: Final answer
x = 101,982,202.20
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1.5x scale
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.