Home / 87,336,033.70-131,004,050.55-78,832,977.70

Finding the Fourth Proportional to 87,336,033.70, 131,004,050.55 and 78,832,977.70

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Solution

The fourth proportional to 87,336,033.70, 131,004,050.55 and 78,832,977.70 is: 118,249,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336,033.70 : 131,004,050.55 = 78,832,977.70 : x
  2. Step 2: Convert to fraction form
    87,336,033.70/131,004,050.55 = 78,832,977.70/x
  3. Step 3: Cross multiply
    87,336,033.70x = 131,004,050.55 × 78,832,977.70
  4. Step 4: Simplify right side
    87,336,033.70x = 10,327,439,395,617,822
  5. Step 5: Solve for x
    x = 10,327,439,395,617,822/87,336,033.70
  6. Step 6: Final answer
    x = 118,249,466.55

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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.