Home / 85,375,389.20-128,066,626.74-24,791,115.20

Finding the Fourth Proportional to 85,375,389.20, 128,066,626.74 and 24,791,115.20

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Solution

The fourth proportional to 85,375,389.20, 128,066,626.74 and 24,791,115.20 is: 37,187,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,375,389.20 : 128,066,626.74 = 24,791,115.20 : x
  2. Step 2: Convert to fraction form
    85,375,389.20/128,066,626.74 = 24,791,115.20/x
  3. Step 3: Cross multiply
    85,375,389.20x = 128,066,626.74 × 24,791,115.20
  4. Step 4: Simplify right side
    85,375,389.20x = 3,174,914,496,786,740
  5. Step 5: Solve for x
    x = 3,174,914,496,786,740/85,375,389.20
  6. Step 6: Final answer
    x = 37,187,701.59

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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.