Finding the Fourth Proportional to 229,908,542.91, 317,688,808.74 and 163,714,120.32
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Solution
The fourth proportional to 229,908,542.91, 317,688,808.74 and 163,714,120.32 is: 226,221,014.67
Step by Step Solution
- Step 1: Write the proportion equation
229,908,542.91 : 317,688,808.74 = 163,714,120.32 : x - Step 2: Convert to fraction form
229,908,542.91/317,688,808.74 = 163,714,120.32/x - Step 3: Cross multiply
229,908,542.91x = 317,688,808.74 × 163,714,120.32 - Step 4: Simplify right side
229,908,542.91x = 52,010,143,858,377,824 - Step 5: Solve for x
x = 52,010,143,858,377,824/229,908,542.91 - Step 6: Final answer
x = 226,221,014.67
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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.