Home / 82,006,289.52-123,010,626.60-21,422,022

Finding the Fourth Proportional to 82,006,289.52, 123,010,626.60 and 21,422,022

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Solution

The fourth proportional to 82,006,289.52, 123,010,626.60 and 21,422,022 is: 32,133,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,006,289.52 : 123,010,626.60 = 21,422,022 : x
  2. Step 2: Convert to fraction form
    82,006,289.52/123,010,626.60 = 21,422,022/x
  3. Step 3: Cross multiply
    82,006,289.52x = 123,010,626.60 × 21,422,022
  4. Step 4: Simplify right side
    82,006,289.52x = 2,635,136,349,258,985
  5. Step 5: Solve for x
    x = 2,635,136,349,258,985/82,006,289.52
  6. Step 6: Final answer
    x = 32,133,344.46

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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.