Home / 187,268,711.40-280,903,067.10-169,128,858.60

Finding the Fourth Proportional to 187,268,711.40, 280,903,067.10 and 169,128,858.60

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Solution

The fourth proportional to 187,268,711.40, 280,903,067.10 and 169,128,858.60 is: 253,693,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,268,711.40 : 280,903,067.10 = 169,128,858.60 : x
  2. Step 2: Convert to fraction form
    187,268,711.40/280,903,067.10 = 169,128,858.60/x
  3. Step 3: Cross multiply
    187,268,711.40x = 280,903,067.10 × 169,128,858.60
  4. Step 4: Simplify right side
    187,268,711.40x = 47,508,815,115,862,216
  5. Step 5: Solve for x
    x = 47,508,815,115,862,216/187,268,711.40
  6. Step 6: Final answer
    x = 253,693,287.90

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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.