Finding the Fourth Proportional to 324,863,044.08, 487,422,170.28 and 142,982,715.12
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Solution
The fourth proportional to 324,863,044.08, 487,422,170.28 and 142,982,715.12 is: 214,530,235.39
Step by Step Solution
- Step 1: Write the proportion equation
324,863,044.08 : 487,422,170.28 = 142,982,715.12 : x - Step 2: Convert to fraction form
324,863,044.08/487,422,170.28 = 142,982,715.12/x - Step 3: Cross multiply
324,863,044.08x = 487,422,170.28 × 142,982,715.12 - Step 4: Simplify right side
324,863,044.08x = 69,692,945,316,317,368 - Step 5: Solve for x
x = 69,692,945,316,317,368/324,863,044.08 - Step 6: Final answer
x = 214,530,235.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.