Home / 126,035,238.40-188,940,883.20-74,862,937.60

Finding the Fourth Proportional to 126,035,238.40, 188,940,883.20 and 74,862,937.60

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Solution

The fourth proportional to 126,035,238.40, 188,940,883.20 and 74,862,937.60 is: 112,227,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,035,238.40 : 188,940,883.20 = 74,862,937.60 : x
  2. Step 2: Convert to fraction form
    126,035,238.40/188,940,883.20 = 74,862,937.60/x
  3. Step 3: Cross multiply
    126,035,238.40x = 188,940,883.20 × 74,862,937.60
  4. Step 4: Simplify right side
    126,035,238.40x = 14,144,669,549,090,486
  5. Step 5: Solve for x
    x = 14,144,669,549,090,486/126,035,238.40
  6. Step 6: Final answer
    x = 112,227,895.38

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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.