Finding the Fourth Proportional to 140,982,244.80, 194,558,852.52 and 79,107,159.66
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Solution
The fourth proportional to 140,982,244.80, 194,558,852.52 and 79,107,159.66 is: 109,169,762.70
Step by Step Solution
- Step 1: Write the proportion equation
140,982,244.80 : 194,558,852.52 = 79,107,159.66 : x - Step 2: Convert to fraction form
140,982,244.80/194,558,852.52 = 79,107,159.66/x - Step 3: Cross multiply
140,982,244.80x = 194,558,852.52 × 79,107,159.66 - Step 4: Simplify right side
140,982,244.80x = 15,390,998,209,566,034 - Step 5: Solve for x
x = 15,390,998,209,566,034/140,982,244.80 - Step 6: Final answer
x = 109,169,762.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.