Home / 103,518,424.20-155,145,760.20-55,019,512.20

Finding the Fourth Proportional to 103,518,424.20, 155,145,760.20 and 55,019,512.20

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Solution

The fourth proportional to 103,518,424.20, 155,145,760.20 and 55,019,512.20 is: 82,459,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,518,424.20 : 155,145,760.20 = 55,019,512.20 : x
  2. Step 2: Convert to fraction form
    103,518,424.20/155,145,760.20 = 55,019,512.20/x
  3. Step 3: Cross multiply
    103,518,424.20x = 155,145,760.20 × 55,019,512.20
  4. Step 4: Simplify right side
    103,518,424.20x = 8,536,044,046,102,174
  5. Step 5: Solve for x
    x = 8,536,044,046,102,174/103,518,424.20
  6. Step 6: Final answer
    x = 82,459,176.83

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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.