Home / 87,898,380.57-121,291,025.34-50,740,631.73

Finding the Fourth Proportional to 87,898,380.57, 121,291,025.34 and 50,740,631.73

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Solution

The fourth proportional to 87,898,380.57, 121,291,025.34 and 50,740,631.73 is: 70,017,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,898,380.57 : 121,291,025.34 = 50,740,631.73 : x
  2. Step 2: Convert to fraction form
    87,898,380.57/121,291,025.34 = 50,740,631.73/x
  3. Step 3: Cross multiply
    87,898,380.57x = 121,291,025.34 × 50,740,631.73
  4. Step 4: Simplify right side
    87,898,380.57x = 6,154,383,248,931,038
  5. Step 5: Solve for x
    x = 6,154,383,248,931,038/87,898,380.57
  6. Step 6: Final answer
    x = 70,017,026.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.