Finding the Fourth Proportional to 211,896,464.80, 317,844,697.20 and 183,175,031.20
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Solution
The fourth proportional to 211,896,464.80, 317,844,697.20 and 183,175,031.20 is: 274,762,546.80
Step by Step Solution
- Step 1: Write the proportion equation
211,896,464.80 : 317,844,697.20 = 183,175,031.20 : x - Step 2: Convert to fraction form
211,896,464.80/317,844,697.20 = 183,175,031.20/x - Step 3: Cross multiply
211,896,464.80x = 317,844,697.20 × 183,175,031.20 - Step 4: Simplify right side
211,896,464.80x = 58,221,212,326,364,544 - Step 5: Solve for x
x = 58,221,212,326,364,544/211,896,464.80 - Step 6: Final answer
x = 274,762,546.80
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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.