Home / 126,009,716.80-189,014,575.20-104,486,356.30

Finding the Fourth Proportional to 126,009,716.80, 189,014,575.20 and 104,486,356.30

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Solution

The fourth proportional to 126,009,716.80, 189,014,575.20 and 104,486,356.30 is: 156,729,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009,716.80 : 189,014,575.20 = 104,486,356.30 : x
  2. Step 2: Convert to fraction form
    126,009,716.80/189,014,575.20 = 104,486,356.30/x
  3. Step 3: Cross multiply
    126,009,716.80x = 189,014,575.20 × 104,486,356.30
  4. Step 4: Simplify right side
    126,009,716.80x = 19,749,444,250,240,340
  5. Step 5: Solve for x
    x = 19,749,444,250,240,340/126,009,716.80
  6. Step 6: Final answer
    x = 156,729,534.45

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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.