Finding the Fourth Proportional to 165,936,337.80, 248,904,506.70 and 79,842,895.80
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Solution
The fourth proportional to 165,936,337.80, 248,904,506.70 and 79,842,895.80 is: 119,764,343.70
Step by Step Solution
- Step 1: Write the proportion equation
165,936,337.80 : 248,904,506.70 = 79,842,895.80 : x - Step 2: Convert to fraction form
165,936,337.80/248,904,506.70 = 79,842,895.80/x - Step 3: Cross multiply
165,936,337.80x = 248,904,506.70 × 79,842,895.80 - Step 4: Simplify right side
165,936,337.80x = 19,873,256,592,598,500 - Step 5: Solve for x
x = 19,873,256,592,598,500/165,936,337.80 - Step 6: Final answer
x = 119,764,343.70
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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.