Home / 120,071,023.97-180,104,634.07-38,188,720.13

Finding the Fourth Proportional to 120,071,023.97, 180,104,634.07 and 38,188,720.13

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Solution

The fourth proportional to 120,071,023.97, 180,104,634.07 and 38,188,720.13 is: 57,282,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,071,023.97 : 180,104,634.07 = 38,188,720.13 : x
  2. Step 2: Convert to fraction form
    120,071,023.97/180,104,634.07 = 38,188,720.13/x
  3. Step 3: Cross multiply
    120,071,023.97x = 180,104,634.07 × 38,188,720.13
  4. Step 4: Simplify right side
    120,071,023.97x = 6,877,965,463,619,298
  5. Step 5: Solve for x
    x = 6,877,965,463,619,298/120,071,023.97
  6. Step 6: Final answer
    x = 57,282,475.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.