Home / 239,765,558.57-330,876,466.81-129,757,271.57

Finding the Fourth Proportional to 239,765,558.57, 330,876,466.81 and 129,757,271.57

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Solution

The fourth proportional to 239,765,558.57, 330,876,466.81 and 129,757,271.57 is: 179,065,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,765,558.57 : 330,876,466.81 = 129,757,271.57 : x
  2. Step 2: Convert to fraction form
    239,765,558.57/330,876,466.81 = 129,757,271.57/x
  3. Step 3: Cross multiply
    239,765,558.57x = 330,876,466.81 × 129,757,271.57
  4. Step 4: Simplify right side
    239,765,558.57x = 42,933,627,558,008,488
  5. Step 5: Solve for x
    x = 42,933,627,558,008,488/239,765,558.57
  6. Step 6: Final answer
    x = 179,065,032.59

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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.