Finding the Fourth Proportional to 412,617,113.53, 618,794,359.98 and 136,216,863.75
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Solution
The fourth proportional to 412,617,113.53, 618,794,359.98 and 136,216,863.75 is: 204,281,946.29
Step by Step Solution
- Step 1: Write the proportion equation
412,617,113.53 : 618,794,359.98 = 136,216,863.75 : x - Step 2: Convert to fraction form
412,617,113.53/618,794,359.98 = 136,216,863.75/x - Step 3: Cross multiply
412,617,113.53x = 618,794,359.98 × 136,216,863.75 - Step 4: Simplify right side
412,617,113.53x = 84,290,227,022,664,112 - Step 5: Solve for x
x = 84,290,227,022,664,112/412,617,113.53 - Step 6: Final answer
x = 204,281,946.29
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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.