Home / 87,356,370.60-130,522,834.53-84,301,339.56

Finding the Fourth Proportional to 87,356,370.60, 130,522,834.53 and 84,301,339.56

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Solution

The fourth proportional to 87,356,370.60, 130,522,834.53 and 84,301,339.56 is: 125,958,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,356,370.60 : 130,522,834.53 = 84,301,339.56 : x
  2. Step 2: Convert to fraction form
    87,356,370.60/130,522,834.53 = 84,301,339.56/x
  3. Step 3: Cross multiply
    87,356,370.60x = 130,522,834.53 × 84,301,339.56
  4. Step 4: Simplify right side
    87,356,370.60x = 11,003,249,794,047,224
  5. Step 5: Solve for x
    x = 11,003,249,794,047,224/87,356,370.60
  6. Step 6: Final answer
    x = 125,958,183.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.