Home / 203,670,128.16-281,064,761.28-110,851,301.52

Finding the Fourth Proportional to 203,670,128.16, 281,064,761.28 and 110,851,301.52

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Solution

The fourth proportional to 203,670,128.16, 281,064,761.28 and 110,851,301.52 is: 152,974,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,670,128.16 : 281,064,761.28 = 110,851,301.52 : x
  2. Step 2: Convert to fraction form
    203,670,128.16/281,064,761.28 = 110,851,301.52/x
  3. Step 3: Cross multiply
    203,670,128.16x = 281,064,761.28 × 110,851,301.52
  4. Step 4: Simplify right side
    203,670,128.16x = 31,156,394,599,296,096
  5. Step 5: Solve for x
    x = 31,156,394,599,296,096/203,670,128.16
  6. Step 6: Final answer
    x = 152,974,787.62

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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.