Finding the Fourth Proportional to 412,617,112.53, 618,794,358.48 and 136,216,862.75
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Solution
The fourth proportional to 412,617,112.53, 618,794,358.48 and 136,216,862.75 is: 204,281,944.79
Step by Step Solution
- Step 1: Write the proportion equation
412,617,112.53 : 618,794,358.48 = 136,216,862.75 : x - Step 2: Convert to fraction form
412,617,112.53/618,794,358.48 = 136,216,862.75/x - Step 3: Cross multiply
412,617,112.53x = 618,794,358.48 × 136,216,862.75 - Step 4: Simplify right side
412,617,112.53x = 84,290,226,199,544,464 - Step 5: Solve for x
x = 84,290,226,199,544,464/412,617,112.53 - Step 6: Final answer
x = 204,281,944.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.