Home / 212,190,257.42-292,862,669.56-132,842,229.74

Finding the Fourth Proportional to 212,190,257.42, 292,862,669.56 and 132,842,229.74

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Solution

The fourth proportional to 212,190,257.42, 292,862,669.56 and 132,842,229.74 is: 183,347,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,190,257.42 : 292,862,669.56 = 132,842,229.74 : x
  2. Step 2: Convert to fraction form
    212,190,257.42/292,862,669.56 = 132,842,229.74/x
  3. Step 3: Cross multiply
    212,190,257.42x = 292,862,669.56 × 132,842,229.74
  4. Step 4: Simplify right side
    212,190,257.42x = 38,904,530,031,959,224
  5. Step 5: Solve for x
    x = 38,904,530,031,959,224/212,190,257.42
  6. Step 6: Final answer
    x = 183,347,390.71

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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.