Home / 142,663,948.26-213,928,472.58-55,266,399.78

Finding the Fourth Proportional to 142,663,948.26, 213,928,472.58 and 55,266,399.78

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Solution

The fourth proportional to 142,663,948.26, 213,928,472.58 and 55,266,399.78 is: 82,873,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,663,948.26 : 213,928,472.58 = 55,266,399.78 : x
  2. Step 2: Convert to fraction form
    142,663,948.26/213,928,472.58 = 55,266,399.78/x
  3. Step 3: Cross multiply
    142,663,948.26x = 213,928,472.58 × 55,266,399.78
  4. Step 4: Simplify right side
    142,663,948.26x = 11,823,056,489,931,050
  5. Step 5: Solve for x
    x = 11,823,056,489,931,050/142,663,948.26
  6. Step 6: Final answer
    x = 82,873,470.38

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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.