Home / 103,624,403.20-155,536,137.60-52,564,076.80

Finding the Fourth Proportional to 103,624,403.20, 155,536,137.60 and 52,564,076.80

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Solution

The fourth proportional to 103,624,403.20, 155,536,137.60 and 52,564,076.80 is: 78,896,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624,403.20 : 155,536,137.60 = 52,564,076.80 : x
  2. Step 2: Convert to fraction form
    103,624,403.20/155,536,137.60 = 52,564,076.80/x
  3. Step 3: Cross multiply
    103,624,403.20x = 155,536,137.60 × 52,564,076.80
  4. Step 4: Simplify right side
    103,624,403.20x = 8,175,613,481,981,767
  5. Step 5: Solve for x
    x = 8,175,613,481,981,767/103,624,403.20
  6. Step 6: Final answer
    x = 78,896,603.79

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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.