Home / 142,083,064.56-196,074,627.20-76,892,968.56

Finding the Fourth Proportional to 142,083,064.56, 196,074,627.20 and 76,892,968.56

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Solution

The fourth proportional to 142,083,064.56, 196,074,627.20 and 76,892,968.56 is: 106,112,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,083,064.56 : 196,074,627.20 = 76,892,968.56 : x
  2. Step 2: Convert to fraction form
    142,083,064.56/196,074,627.20 = 76,892,968.56/x
  3. Step 3: Cross multiply
    142,083,064.56x = 196,074,627.20 × 76,892,968.56
  4. Step 4: Simplify right side
    142,083,064.56x = 15,076,760,144,703,320
  5. Step 5: Solve for x
    x = 15,076,760,144,703,320/142,083,064.56
  6. Step 6: Final answer
    x = 106,112,295.59

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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.