Finding the Fourth Proportional to 206,176,434.48, 284,506,650.18 and 121,390,169.67
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Solution
The fourth proportional to 206,176,434.48, 284,506,650.18 and 121,390,169.67 is: 167,508,525.52
Step by Step Solution
- Step 1: Write the proportion equation
206,176,434.48 : 284,506,650.18 = 121,390,169.67 : x - Step 2: Convert to fraction form
206,176,434.48/284,506,650.18 = 121,390,169.67/x - Step 3: Cross multiply
206,176,434.48x = 284,506,650.18 × 121,390,169.67 - Step 4: Simplify right side
206,176,434.48x = 34,536,310,537,593,536 - Step 5: Solve for x
x = 34,536,310,537,593,536/206,176,434.48 - Step 6: Final answer
x = 167,508,525.52
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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.