Home / 142,083,058.02-196,074,618.21-76,892,962.02

Finding the Fourth Proportional to 142,083,058.02, 196,074,618.21 and 76,892,962.02

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Solution

The fourth proportional to 142,083,058.02, 196,074,618.21 and 76,892,962.02 is: 106,112,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,083,058.02 : 196,074,618.21 = 76,892,962.02 : x
  2. Step 2: Convert to fraction form
    142,083,058.02/196,074,618.21 = 76,892,962.02/x
  3. Step 3: Cross multiply
    142,083,058.02x = 196,074,618.21 × 76,892,962.02
  4. Step 4: Simplify right side
    142,083,058.02x = 15,076,758,171,107,530
  5. Step 5: Solve for x
    x = 15,076,758,171,107,530/142,083,058.02
  6. Step 6: Final answer
    x = 106,112,286.58

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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.