Finding the Fourth Proportional to 229,908,540.91, 317,688,805.97 and 163,714,118.32
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Solution
The fourth proportional to 229,908,540.91, 317,688,805.97 and 163,714,118.32 is: 226,221,011.90
Step by Step Solution
- Step 1: Write the proportion equation
229,908,540.91 : 317,688,805.97 = 163,714,118.32 : x - Step 2: Convert to fraction form
229,908,540.91/317,688,805.97 = 163,714,118.32/x - Step 3: Cross multiply
229,908,540.91x = 317,688,805.97 × 163,714,118.32 - Step 4: Simplify right side
229,908,540.91x = 52,010,142,768,628,552 - Step 5: Solve for x
x = 52,010,142,768,628,552/229,908,540.91 - Step 6: Final answer
x = 226,221,011.90
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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.