Finding the Fourth Proportional to 216,650,270.10, 298,952,149.73 and 121,286,000.84
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Solution
The fourth proportional to 216,650,270.10, 298,952,149.73 and 121,286,000.84 is: 167,360,560.72
Step by Step Solution
- Step 1: Write the proportion equation
216,650,270.10 : 298,952,149.73 = 121,286,000.84 : x - Step 2: Convert to fraction form
216,650,270.10/298,952,149.73 = 121,286,000.84/x - Step 3: Cross multiply
216,650,270.10x = 298,952,149.73 × 121,286,000.84 - Step 4: Simplify right side
216,650,270.10x = 36,258,710,683,272,592 - Step 5: Solve for x
x = 36,258,710,683,272,592/216,650,270.10 - Step 6: Final answer
x = 167,360,560.72
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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.