Home / 86,908,429.70-130,380,140.55-25,497,469.70

Finding the Fourth Proportional to 86,908,429.70, 130,380,140.55 and 25,497,469.70

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Solution

The fourth proportional to 86,908,429.70, 130,380,140.55 and 25,497,469.70 is: 38,251,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908,429.70 : 130,380,140.55 = 25,497,469.70 : x
  2. Step 2: Convert to fraction form
    86,908,429.70/130,380,140.55 = 25,497,469.70/x
  3. Step 3: Cross multiply
    86,908,429.70x = 130,380,140.55 × 25,497,469.70
  4. Step 4: Simplify right side
    86,908,429.70x = 3,324,363,683,155,366
  5. Step 5: Solve for x
    x = 3,324,363,683,155,366/86,908,429.70
  6. Step 6: Final answer
    x = 38,251,337.58

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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.