Home / 100,900,789.13-139,243,083.67-54,491,038.58

Finding the Fourth Proportional to 100,900,789.13, 139,243,083.67 and 54,491,038.58

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Solution

The fourth proportional to 100,900,789.13, 139,243,083.67 and 54,491,038.58 is: 75,197,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900,789.13 : 139,243,083.67 = 54,491,038.58 : x
  2. Step 2: Convert to fraction form
    100,900,789.13/139,243,083.67 = 54,491,038.58/x
  3. Step 3: Cross multiply
    100,900,789.13x = 139,243,083.67 × 54,491,038.58
  4. Step 4: Simplify right side
    100,900,789.13x = 7,587,500,244,812,588
  5. Step 5: Solve for x
    x = 7,587,500,244,812,588/100,900,789.13
  6. Step 6: Final answer
    x = 75,197,630.37

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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.