Home / 145,540,686.33-200,936,789.10-92,647,238.40

Finding the Fourth Proportional to 145,540,686.33, 200,936,789.10 and 92,647,238.40

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Solution

The fourth proportional to 145,540,686.33, 200,936,789.10 and 92,647,238.40 is: 127,910,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,540,686.33 : 200,936,789.10 = 92,647,238.40 : x
  2. Step 2: Convert to fraction form
    145,540,686.33/200,936,789.10 = 92,647,238.40/x
  3. Step 3: Cross multiply
    145,540,686.33x = 200,936,789.10 × 92,647,238.40
  4. Step 4: Simplify right side
    145,540,686.33x = 18,616,238,603,078,224
  5. Step 5: Solve for x
    x = 18,616,238,603,078,224/145,540,686.33
  6. Step 6: Final answer
    x = 127,910,889.20

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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.