Home / 142,663,946.26-213,928,469.58-55,266,397.78

Finding the Fourth Proportional to 142,663,946.26, 213,928,469.58 and 55,266,397.78

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Solution

The fourth proportional to 142,663,946.26, 213,928,469.58 and 55,266,397.78 is: 82,873,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,663,946.26 : 213,928,469.58 = 55,266,397.78 : x
  2. Step 2: Convert to fraction form
    142,663,946.26/213,928,469.58 = 55,266,397.78/x
  3. Step 3: Cross multiply
    142,663,946.26x = 213,928,469.58 × 55,266,397.78
  4. Step 4: Simplify right side
    142,663,946.26x = 11,823,055,896,274,910
  5. Step 5: Solve for x
    x = 11,823,055,896,274,910/142,663,946.26
  6. Step 6: Final answer
    x = 82,873,467.38

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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.