Home / 87,617,221.60-131,425,832.40-64,942,405.60

Finding the Fourth Proportional to 87,617,221.60, 131,425,832.40 and 64,942,405.60

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Solution

The fourth proportional to 87,617,221.60, 131,425,832.40 and 64,942,405.60 is: 97,413,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617,221.60 : 131,425,832.40 = 64,942,405.60 : x
  2. Step 2: Convert to fraction form
    87,617,221.60/131,425,832.40 = 64,942,405.60/x
  3. Step 3: Cross multiply
    87,617,221.60x = 131,425,832.40 × 64,942,405.60
  4. Step 4: Simplify right side
    87,617,221.60x = 8,535,109,714,038,422
  5. Step 5: Solve for x
    x = 8,535,109,714,038,422/87,617,221.60
  6. Step 6: Final answer
    x = 97,413,608.40

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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.