Home / 126,009,724.20-189,014,586.30-100,500,556.20

Finding the Fourth Proportional to 126,009,724.20, 189,014,586.30 and 100,500,556.20

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Solution

The fourth proportional to 126,009,724.20, 189,014,586.30 and 100,500,556.20 is: 150,750,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009,724.20 : 189,014,586.30 = 100,500,556.20 : x
  2. Step 2: Convert to fraction form
    126,009,724.20/189,014,586.30 = 100,500,556.20/x
  3. Step 3: Cross multiply
    126,009,724.20x = 189,014,586.30 × 100,500,556.20
  4. Step 4: Simplify right side
    126,009,724.20x = 18,996,071,053,062,900
  5. Step 5: Solve for x
    x = 18,996,071,053,062,900/126,009,724.20
  6. Step 6: Final answer
    x = 150,750,834.30

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1.5x scale

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.