Finding the Fourth Proportional to 281,115,051.10, 421,711,811.70 and 117,315,260.80
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Solution
The fourth proportional to 281,115,051.10, 421,711,811.70 and 117,315,260.80 is: 175,989,264.82
Step by Step Solution
- Step 1: Write the proportion equation
281,115,051.10 : 421,711,811.70 = 117,315,260.80 : x - Step 2: Convert to fraction form
281,115,051.10/421,711,811.70 = 117,315,260.80/x - Step 3: Cross multiply
281,115,051.10x = 421,711,811.70 × 117,315,260.80 - Step 4: Simplify right side
281,115,051.10x = 49,473,231,172,025,992 - Step 5: Solve for x
x = 49,473,231,172,025,992/281,115,051.10 - Step 6: Final answer
x = 175,989,264.82
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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.