Home / 55,729,358.82-76,899,551.22-30,946,176.36

Finding the Fourth Proportional to 55,729,358.82, 76,899,551.22 and 30,946,176.36

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Solution

The fourth proportional to 55,729,358.82, 76,899,551.22 and 30,946,176.36 is: 42,701,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729,358.82 : 76,899,551.22 = 30,946,176.36 : x
  2. Step 2: Convert to fraction form
    55,729,358.82/76,899,551.22 = 30,946,176.36/x
  3. Step 3: Cross multiply
    55,729,358.82x = 76,899,551.22 × 30,946,176.36
  4. Step 4: Simplify right side
    55,729,358.82x = 2,379,747,074,058,973
  5. Step 5: Solve for x
    x = 2,379,747,074,058,973/55,729,358.82
  6. Step 6: Final answer
    x = 42,701,856.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.