Home / 142,664,269.10-213,928,944.75-55,266,720.72

Finding the Fourth Proportional to 142,664,269.10, 213,928,944.75 and 55,266,720.72

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Solution

The fourth proportional to 142,664,269.10, 213,928,944.75 and 55,266,720.72 is: 82,873,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,664,269.10 : 213,928,944.75 = 55,266,720.72 : x
  2. Step 2: Convert to fraction form
    142,664,269.10/213,928,944.75 = 55,266,720.72/x
  3. Step 3: Cross multiply
    142,664,269.10x = 213,928,944.75 × 55,266,720.72
  4. Step 4: Simplify right side
    142,664,269.10x = 11,823,151,243,422,560
  5. Step 5: Solve for x
    x = 11,823,151,243,422,560/142,664,269.10
  6. Step 6: Final answer
    x = 82,873,948.17

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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.