Finding the Fourth Proportional to 162,540,616.99, 224,304,913.78 and 88,199,286.99
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Solution
The fourth proportional to 162,540,616.99, 224,304,913.78 and 88,199,286.99 is: 121,714,398.72
Step by Step Solution
- Step 1: Write the proportion equation
162,540,616.99 : 224,304,913.78 = 88,199,286.99 : x - Step 2: Convert to fraction form
162,540,616.99/224,304,913.78 = 88,199,286.99/x - Step 3: Cross multiply
162,540,616.99x = 224,304,913.78 × 88,199,286.99 - Step 4: Simplify right side
162,540,616.99x = 19,783,533,463,749,424 - Step 5: Solve for x
x = 19,783,533,463,749,424/162,540,616.99 - Step 6: Final answer
x = 121,714,398.72
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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.