Home / 412,617,116.66-618,794,364.67-136,216,866.87

Finding the Fourth Proportional to 412,617,116.66, 618,794,364.67 and 136,216,866.87

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Solution

The fourth proportional to 412,617,116.66, 618,794,364.67 and 136,216,866.87 is: 204,281,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,617,116.66 : 618,794,364.67 = 136,216,866.87 : x
  2. Step 2: Convert to fraction form
    412,617,116.66/618,794,364.67 = 136,216,866.87/x
  3. Step 3: Cross multiply
    412,617,116.66x = 618,794,364.67 × 136,216,866.87
  4. Step 4: Simplify right side
    412,617,116.66x = 84,290,229,591,819,088
  5. Step 5: Solve for x
    x = 84,290,229,591,819,088/412,617,116.66
  6. Step 6: Final answer
    x = 204,281,950.96

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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.