Home / 126,540,025.60-189,810,038.40-40,287,151.30

Finding the Fourth Proportional to 126,540,025.60, 189,810,038.40 and 40,287,151.30

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Solution

The fourth proportional to 126,540,025.60, 189,810,038.40 and 40,287,151.30 is: 60,430,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,540,025.60 : 189,810,038.40 = 40,287,151.30 : x
  2. Step 2: Convert to fraction form
    126,540,025.60/189,810,038.40 = 40,287,151.30/x
  3. Step 3: Cross multiply
    126,540,025.60x = 189,810,038.40 × 40,287,151.30
  4. Step 4: Simplify right side
    126,540,025.60x = 7,646,905,735,279,610
  5. Step 5: Solve for x
    x = 7,646,905,735,279,610/126,540,025.60
  6. Step 6: Final answer
    x = 60,430,726.95

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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.