Finding the Fourth Proportional to 187,434,622.84, 281,044,282.84 and 99,888,356.76
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Solution
The fourth proportional to 187,434,622.84, 281,044,282.84 and 99,888,356.76 is: 149,775,165.14
Step by Step Solution
- Step 1: Write the proportion equation
187,434,622.84 : 281,044,282.84 = 99,888,356.76 : x - Step 2: Convert to fraction form
187,434,622.84/281,044,282.84 = 99,888,356.76/x - Step 3: Cross multiply
187,434,622.84x = 281,044,282.84 × 99,888,356.76 - Step 4: Simplify right side
187,434,622.84x = 28,073,051,589,680,264 - Step 5: Solve for x
x = 28,073,051,589,680,264/187,434,622.84 - Step 6: Final answer
x = 149,775,165.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.