Home / 126,009,719.70-189,014,579.55-100,500,551.70

Finding the Fourth Proportional to 126,009,719.70, 189,014,579.55 and 100,500,551.70

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Solution

The fourth proportional to 126,009,719.70, 189,014,579.55 and 100,500,551.70 is: 150,750,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009,719.70 : 189,014,579.55 = 100,500,551.70 : x
  2. Step 2: Convert to fraction form
    126,009,719.70/189,014,579.55 = 100,500,551.70/x
  3. Step 3: Cross multiply
    126,009,719.70x = 189,014,579.55 × 100,500,551.70
  4. Step 4: Simplify right side
    126,009,719.70x = 18,996,069,524,118,540
  5. Step 5: Solve for x
    x = 18,996,069,524,118,540/126,009,719.70
  6. Step 6: Final answer
    x = 150,750,827.55

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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.