Finding the Fourth Proportional to 187,812,235.20, 281,475,882.84 and 84,105,509.88
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Solution
The fourth proportional to 187,812,235.20, 281,475,882.84 and 84,105,509.88 is: 126,049,682.65
Step by Step Solution
- Step 1: Write the proportion equation
187,812,235.20 : 281,475,882.84 = 84,105,509.88 : x - Step 2: Convert to fraction form
187,812,235.20/281,475,882.84 = 84,105,509.88/x - Step 3: Cross multiply
187,812,235.20x = 281,475,882.84 × 84,105,509.88 - Step 4: Simplify right side
187,812,235.20x = 23,673,672,645,181,340 - Step 5: Solve for x
x = 23,673,672,645,181,340/187,812,235.20 - Step 6: Final answer
x = 126,049,682.65
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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.