Finding the Fourth Proportional to 367,417,313.20, 551,125,969.80 and 149,172,209.20
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Solution
The fourth proportional to 367,417,313.20, 551,125,969.80 and 149,172,209.20 is: 223,758,313.80
Step by Step Solution
- Step 1: Write the proportion equation
367,417,313.20 : 551,125,969.80 = 149,172,209.20 : x - Step 2: Convert to fraction form
367,417,313.20/551,125,969.80 = 149,172,209.20/x - Step 3: Cross multiply
367,417,313.20x = 551,125,969.80 × 149,172,209.20 - Step 4: Simplify right side
367,417,313.20x = 82,212,678,462,558,464 - Step 5: Solve for x
x = 82,212,678,462,558,464/367,417,313.20 - Step 6: Final answer
x = 223,758,313.80
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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.