Finding the Fourth Proportional to 121,502,441.75, 167,673,813.99 and 65,747,862.71
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Solution
The fourth proportional to 121,502,441.75, 167,673,813.99 and 65,747,862.71 is: 90,732,291.00
Step by Step Solution
- Step 1: Write the proportion equation
121,502,441.75 : 167,673,813.99 = 65,747,862.71 : x - Step 2: Convert to fraction form
121,502,441.75/167,673,813.99 = 65,747,862.71/x - Step 3: Cross multiply
121,502,441.75x = 167,673,813.99 × 65,747,862.71 - Step 4: Simplify right side
121,502,441.75x = 11,024,194,901,820,452 - Step 5: Solve for x
x = 11,024,194,901,820,452/121,502,441.75 - Step 6: Final answer
x = 90,732,291.00
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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.