Finding the Fourth Proportional to 121,476,023.52, 167,484,849.42 and 101,387,859.84
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Solution
The fourth proportional to 121,476,023.52, 167,484,849.42 and 101,387,859.84 is: 139,788,329.80
Step by Step Solution
- Step 1: Write the proportion equation
121,476,023.52 : 167,484,849.42 = 101,387,859.84 : x - Step 2: Convert to fraction form
121,476,023.52/167,484,849.42 = 101,387,859.84/x - Step 3: Cross multiply
121,476,023.52x = 167,484,849.42 × 101,387,859.84 - Step 4: Simplify right side
121,476,023.52x = 16,980,930,438,318,464 - Step 5: Solve for x
x = 16,980,930,438,318,464/121,476,023.52 - Step 6: Final answer
x = 139,788,329.80
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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.