Finding the Fourth Proportional to 257,034,224.97, 385,606,648.37 and 79,767,865.26
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Solution
The fourth proportional to 257,034,224.97, 385,606,648.37 and 79,767,865.26 is: 119,668,963.05
Step by Step Solution
- Step 1: Write the proportion equation
257,034,224.97 : 385,606,648.37 = 79,767,865.26 : x - Step 2: Convert to fraction form
257,034,224.97/385,606,648.37 = 79,767,865.26/x - Step 3: Cross multiply
257,034,224.97x = 385,606,648.37 × 79,767,865.26 - Step 4: Simplify right side
257,034,224.97x = 30,759,019,170,737,780 - Step 5: Solve for x
x = 30,759,019,170,737,780/257,034,224.97 - Step 6: Final answer
x = 119,668,963.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.