Home / 317,952,021.20-476,928,031.80-172,833,198.80

Finding the Fourth Proportional to 317,952,021.20, 476,928,031.80 and 172,833,198.80

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Solution

The fourth proportional to 317,952,021.20, 476,928,031.80 and 172,833,198.80 is: 259,249,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,952,021.20 : 476,928,031.80 = 172,833,198.80 : x
  2. Step 2: Convert to fraction form
    317,952,021.20/476,928,031.80 = 172,833,198.80/x
  3. Step 3: Cross multiply
    317,952,021.20x = 476,928,031.80 × 172,833,198.80
  4. Step 4: Simplify right side
    317,952,021.20x = 82,428,997,333,382,128
  5. Step 5: Solve for x
    x = 82,428,997,333,382,128/317,952,021.20
  6. Step 6: Final answer
    x = 259,249,798.20

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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.