Home / 126,593,889.28-189,968,801.28-49,903,866.88

Finding the Fourth Proportional to 126,593,889.28, 189,968,801.28 and 49,903,866.88

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Solution

The fourth proportional to 126,593,889.28, 189,968,801.28 and 49,903,866.88 is: 74,886,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,593,889.28 : 189,968,801.28 = 49,903,866.88 : x
  2. Step 2: Convert to fraction form
    126,593,889.28/189,968,801.28 = 49,903,866.88/x
  3. Step 3: Cross multiply
    126,593,889.28x = 189,968,801.28 × 49,903,866.88
  4. Step 4: Simplify right side
    126,593,889.28x = 9,480,177,770,430,294
  5. Step 5: Solve for x
    x = 9,480,177,770,430,294/126,593,889.28
  6. Step 6: Final answer
    x = 74,886,535.40

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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.