Finding the Fourth Proportional to 284,062,134.24, 391,983,418.80 and 174,038,888.16
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Solution
The fourth proportional to 284,062,134.24, 391,983,418.80 and 174,038,888.16 is: 240,159,986.71
Step by Step Solution
- Step 1: Write the proportion equation
284,062,134.24 : 391,983,418.80 = 174,038,888.16 : x - Step 2: Convert to fraction form
284,062,134.24/391,983,418.80 = 174,038,888.16/x - Step 3: Cross multiply
284,062,134.24x = 391,983,418.80 × 174,038,888.16 - Step 4: Simplify right side
284,062,134.24x = 68,220,358,385,107,640 - Step 5: Solve for x
x = 68,220,358,385,107,640/284,062,134.24 - Step 6: Final answer
x = 240,159,986.71
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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.