Home / 319,662,217.76-441,133,860.64-172,984,501.76

Finding the Fourth Proportional to 319,662,217.76, 441,133,860.64 and 172,984,501.76

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Solution

The fourth proportional to 319,662,217.76, 441,133,860.64 and 172,984,501.76 is: 238,718,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,662,217.76 : 441,133,860.64 = 172,984,501.76 : x
  2. Step 2: Convert to fraction form
    319,662,217.76/441,133,860.64 = 172,984,501.76/x
  3. Step 3: Cross multiply
    319,662,217.76x = 441,133,860.64 × 172,984,501.76
  4. Step 4: Simplify right side
    319,662,217.76x = 76,309,321,092,275,664
  5. Step 5: Solve for x
    x = 76,309,321,092,275,664/319,662,217.76
  6. Step 6: Final answer
    x = 238,718,612.50

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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.