Home / 142,664,268.10-213,928,943.25-55,266,719.72

Finding the Fourth Proportional to 142,664,268.10, 213,928,943.25 and 55,266,719.72

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Solution

The fourth proportional to 142,664,268.10, 213,928,943.25 and 55,266,719.72 is: 82,873,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,664,268.10 : 213,928,943.25 = 55,266,719.72 : x
  2. Step 2: Convert to fraction form
    142,664,268.10/213,928,943.25 = 55,266,719.72/x
  3. Step 3: Cross multiply
    142,664,268.10x = 213,928,943.25 × 55,266,719.72
  4. Step 4: Simplify right side
    142,664,268.10x = 11,823,150,946,593,536
  5. Step 5: Solve for x
    x = 11,823,150,946,593,536/142,664,268.10
  6. Step 6: Final answer
    x = 82,873,946.67

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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.