Home / 311,053,934.40-429,246,113.04-171,821,699.52

Finding the Fourth Proportional to 311,053,934.40, 429,246,113.04 and 171,821,699.52

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Solution

The fourth proportional to 311,053,934.40, 429,246,113.04 and 171,821,699.52 is: 237,109,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,053,934.40 : 429,246,113.04 = 171,821,699.52 : x
  2. Step 2: Convert to fraction form
    311,053,934.40/429,246,113.04 = 171,821,699.52/x
  3. Step 3: Cross multiply
    311,053,934.40x = 429,246,113.04 × 171,821,699.52
  4. Step 4: Simplify right side
    311,053,934.40x = 73,753,796,654,886,848
  5. Step 5: Solve for x
    x = 73,753,796,654,886,848/311,053,934.40
  6. Step 6: Final answer
    x = 237,109,351.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.