Finding the Fourth Proportional to 229,869,631.59, 317,226,816.86 and 125,454,399.99
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Solution
The fourth proportional to 229,869,631.59, 317,226,816.86 and 125,454,399.99 is: 173,130,742.39
Step by Step Solution
- Step 1: Write the proportion equation
229,869,631.59 : 317,226,816.86 = 125,454,399.99 : x - Step 2: Convert to fraction form
229,869,631.59/317,226,816.86 = 125,454,399.99/x - Step 3: Cross multiply
229,869,631.59x = 317,226,816.86 × 125,454,399.99 - Step 4: Simplify right side
229,869,631.59x = 39,797,499,969,281,648 - Step 5: Solve for x
x = 39,797,499,969,281,648/229,869,631.59 - Step 6: Final answer
x = 173,130,742.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.