Home / 101,563,871.52-140,158,170.24-55,154,113.20

Finding the Fourth Proportional to 101,563,871.52, 140,158,170.24 and 55,154,113.20

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Solution

The fourth proportional to 101,563,871.52, 140,158,170.24 and 55,154,113.20 is: 76,112,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,563,871.52 : 140,158,170.24 = 55,154,113.20 : x
  2. Step 2: Convert to fraction form
    101,563,871.52/140,158,170.24 = 55,154,113.20/x
  3. Step 3: Cross multiply
    101,563,871.52x = 140,158,170.24 × 55,154,113.20
  4. Step 4: Simplify right side
    101,563,871.52x = 7,730,299,587,321,832
  5. Step 5: Solve for x
    x = 7,730,299,587,321,832/101,563,871.52
  6. Step 6: Final answer
    x = 76,112,691.17

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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.