Home / 126,200,668.89-189,300,826.89-70,149,223.32

Finding the Fourth Proportional to 126,200,668.89, 189,300,826.89 and 70,149,223.32

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Solution

The fourth proportional to 126,200,668.89, 189,300,826.89 and 70,149,223.32 is: 105,223,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,200,668.89 : 189,300,826.89 = 70,149,223.32 : x
  2. Step 2: Convert to fraction form
    126,200,668.89/189,300,826.89 = 70,149,223.32/x
  3. Step 3: Cross multiply
    126,200,668.89x = 189,300,826.89 × 70,149,223.32
  4. Step 4: Simplify right side
    126,200,668.89x = 13,279,305,980,167,268
  5. Step 5: Solve for x
    x = 13,279,305,980,167,268/126,200,668.89
  6. Step 6: Final answer
    x = 105,223,736.90

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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.