Finding the Fourth Proportional to 66,239,080.80, 99,169,664.40 and 58,680,808.80
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Solution
The fourth proportional to 66,239,080.80, 99,169,664.40 and 58,680,808.80 is: 87,853,817.49
Step by Step Solution
- Step 1: Write the proportion equation
66,239,080.80 : 99,169,664.40 = 58,680,808.80 : x - Step 2: Convert to fraction form
66,239,080.80/99,169,664.40 = 58,680,808.80/x - Step 3: Cross multiply
66,239,080.80x = 99,169,664.40 × 58,680,808.80 - Step 4: Simplify right side
66,239,080.80x = 5,819,356,115,416,567 - Step 5: Solve for x
x = 5,819,356,115,416,567/66,239,080.80 - Step 6: Final answer
x = 87,853,817.49
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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.