Home / 239,576,808.24-330,616,215.81-129,568,521.24

Finding the Fourth Proportional to 239,576,808.24, 330,616,215.81 and 129,568,521.24

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Solution

The fourth proportional to 239,576,808.24, 330,616,215.81 and 129,568,521.24 is: 178,804,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,576,808.24 : 330,616,215.81 = 129,568,521.24 : x
  2. Step 2: Convert to fraction form
    239,576,808.24/330,616,215.81 = 129,568,521.24/x
  3. Step 3: Cross multiply
    239,576,808.24x = 330,616,215.81 × 129,568,521.24
  4. Step 4: Simplify right side
    239,576,808.24x = 42,837,454,180,466,408
  5. Step 5: Solve for x
    x = 42,837,454,180,466,408/239,576,808.24
  6. Step 6: Final answer
    x = 178,804,678.53

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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.