Finding the Fourth Proportional to 218,017,324.32, 326,894,266.14 and 86,879,774.28
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Solution
The fourth proportional to 218,017,324.32, 326,894,266.14 and 86,879,774.28 is: 130,267,170.94
Step by Step Solution
- Step 1: Write the proportion equation
218,017,324.32 : 326,894,266.14 = 86,879,774.28 : x - Step 2: Convert to fraction form
218,017,324.32/326,894,266.14 = 86,879,774.28/x - Step 3: Cross multiply
218,017,324.32x = 326,894,266.14 × 86,879,774.28 - Step 4: Simplify right side
218,017,324.32x = 28,400,500,055,669,448 - Step 5: Solve for x
x = 28,400,500,055,669,448/218,017,324.32 - Step 6: Final answer
x = 130,267,170.94
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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.