Home / 319,662,425.46-441,134,148.69-172,984,710.90

Finding the Fourth Proportional to 319,662,425.46, 441,134,148.69 and 172,984,710.90

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Solution

The fourth proportional to 319,662,425.46, 441,134,148.69 and 172,984,710.90 is: 238,718,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,662,425.46 : 441,134,148.69 = 172,984,710.90 : x
  2. Step 2: Convert to fraction form
    319,662,425.46/441,134,148.69 = 172,984,710.90/x
  3. Step 3: Cross multiply
    319,662,425.46x = 441,134,148.69 × 172,984,710.90
  4. Step 4: Simplify right side
    319,662,425.46x = 76,309,463,179,257,264
  5. Step 5: Solve for x
    x = 76,309,463,179,257,264/319,662,425.46
  6. Step 6: Final answer
    x = 238,718,901.88

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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.