Finding the Fourth Proportional to 146,709,015.12, 202,454,160.42 and 83,983,033.92
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Solution
The fourth proportional to 146,709,015.12, 202,454,160.42 and 83,983,033.92 is: 115,894,136.48
Step by Step Solution
- Step 1: Write the proportion equation
146,709,015.12 : 202,454,160.42 = 83,983,033.92 : x - Step 2: Convert to fraction form
146,709,015.12/202,454,160.42 = 83,983,033.92/x - Step 3: Cross multiply
146,709,015.12x = 202,454,160.42 × 83,983,033.92 - Step 4: Simplify right side
146,709,015.12x = 17,002,714,621,797,980 - Step 5: Solve for x
x = 17,002,714,621,797,980/146,709,015.12 - Step 6: Final answer
x = 115,894,136.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.