Home / 126,240,281.60-189,366,643.20-65,774,105.60

Finding the Fourth Proportional to 126,240,281.60, 189,366,643.20 and 65,774,105.60

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Solution

The fourth proportional to 126,240,281.60, 189,366,643.20 and 65,774,105.60 is: 98,664,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,240,281.60 : 189,366,643.20 = 65,774,105.60 : x
  2. Step 2: Convert to fraction form
    126,240,281.60/189,366,643.20 = 65,774,105.60/x
  3. Step 3: Cross multiply
    126,240,281.60x = 189,366,643.20 × 65,774,105.60
  4. Step 4: Simplify right side
    126,240,281.60x = 12,455,421,586,954,322
  5. Step 5: Solve for x
    x = 12,455,421,586,954,322/126,240,281.60
  6. Step 6: Final answer
    x = 98,664,399.58

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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.