Home / 138,271,498.05-190,812,410.03-75,546,246.13

Finding the Fourth Proportional to 138,271,498.05, 190,812,410.03 and 75,546,246.13

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Solution

The fourth proportional to 138,271,498.05, 190,812,410.03 and 75,546,246.13 is: 104,252,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,271,498.05 : 190,812,410.03 = 75,546,246.13 : x
  2. Step 2: Convert to fraction form
    138,271,498.05/190,812,410.03 = 75,546,246.13/x
  3. Step 3: Cross multiply
    138,271,498.05x = 190,812,410.03 × 75,546,246.13
  4. Step 4: Simplify right side
    138,271,498.05x = 14,415,161,291,930,098
  5. Step 5: Solve for x
    x = 14,415,161,291,930,098/138,271,498.05
  6. Step 6: Final answer
    x = 104,252,586.36

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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.