Home / 187,123,256.74-258,126,432.30-108,798,153.56

Finding the Fourth Proportional to 187,123,256.74, 258,126,432.30 and 108,798,153.56

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Solution

The fourth proportional to 187,123,256.74, 258,126,432.30 and 108,798,153.56 is: 150,081,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,123,256.74 : 258,126,432.30 = 108,798,153.56 : x
  2. Step 2: Convert to fraction form
    187,123,256.74/258,126,432.30 = 108,798,153.56/x
  3. Step 3: Cross multiply
    187,123,256.74x = 258,126,432.30 × 108,798,153.56
  4. Step 4: Simplify right side
    187,123,256.74x = 28,083,679,219,270,344
  5. Step 5: Solve for x
    x = 28,083,679,219,270,344/187,123,256.74
  6. Step 6: Final answer
    x = 150,081,180.23

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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.