Home / 87,216,408.80-130,824,613.20-60,006,629.60

Finding the Fourth Proportional to 87,216,408.80, 130,824,613.20 and 60,006,629.60

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Solution

The fourth proportional to 87,216,408.80, 130,824,613.20 and 60,006,629.60 is: 90,009,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216,408.80 : 130,824,613.20 = 60,006,629.60 : x
  2. Step 2: Convert to fraction form
    87,216,408.80/130,824,613.20 = 60,006,629.60/x
  3. Step 3: Cross multiply
    87,216,408.80x = 130,824,613.20 × 60,006,629.60
  4. Step 4: Simplify right side
    87,216,408.80x = 7,850,344,106,855,671
  5. Step 5: Solve for x
    x = 7,850,344,106,855,671/87,216,408.80
  6. Step 6: Final answer
    x = 90,009,944.40

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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.