Home / 86,899,929.12-130,349,874.24-22,203,855.36

Finding the Fourth Proportional to 86,899,929.12, 130,349,874.24 and 22,203,855.36

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Solution

The fourth proportional to 86,899,929.12, 130,349,874.24 and 22,203,855.36 is: 33,305,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,899,929.12 : 130,349,874.24 = 22,203,855.36 : x
  2. Step 2: Convert to fraction form
    86,899,929.12/130,349,874.24 = 22,203,855.36/x
  3. Step 3: Cross multiply
    86,899,929.12x = 130,349,874.24 × 22,203,855.36
  4. Step 4: Simplify right side
    86,899,929.12x = 2,894,269,753,819,149.50
  5. Step 5: Solve for x
    x = 2,894,269,753,819,149.50/86,899,929.12
  6. Step 6: Final answer
    x = 33,305,778.07

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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.