Home / 100,923,035.84-139,273,845.12-54,513,289.28

Finding the Fourth Proportional to 100,923,035.84, 139,273,845.12 and 54,513,289.28

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Solution

The fourth proportional to 100,923,035.84, 139,273,845.12 and 54,513,289.28 is: 75,228,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,923,035.84 : 139,273,845.12 = 54,513,289.28 : x
  2. Step 2: Convert to fraction form
    100,923,035.84/139,273,845.12 = 54,513,289.28/x
  3. Step 3: Cross multiply
    100,923,035.84x = 139,273,845.12 × 54,513,289.28
  4. Step 4: Simplify right side
    100,923,035.84x = 7,592,275,408,164,477
  5. Step 5: Solve for x
    x = 7,592,275,408,164,477/100,923,035.84
  6. Step 6: Final answer
    x = 75,228,369.27

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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.