Home / 142,664,263.54-213,928,936.40-55,266,715.16

Finding the Fourth Proportional to 142,664,263.54, 213,928,936.40 and 55,266,715.16

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Solution

The fourth proportional to 142,664,263.54, 213,928,936.40 and 55,266,715.16 is: 82,873,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,664,263.54 : 213,928,936.40 = 55,266,715.16 : x
  2. Step 2: Convert to fraction form
    142,664,263.54/213,928,936.40 = 55,266,715.16/x
  3. Step 3: Cross multiply
    142,664,263.54x = 213,928,936.40 × 55,266,715.16
  4. Step 4: Simplify right side
    142,664,263.54x = 11,823,149,591,569,078
  5. Step 5: Solve for x
    x = 11,823,149,591,569,078/142,664,263.54
  6. Step 6: Final answer
    x = 82,873,939.82

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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.