Home / 96,781,327.20-145,004,029.20-81,664,783.20

Finding the Fourth Proportional to 96,781,327.20, 145,004,029.20 and 81,664,783.20

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Solution

The fourth proportional to 96,781,327.20, 145,004,029.20 and 81,664,783.20 is: 122,355,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,781,327.20 : 145,004,029.20 = 81,664,783.20 : x
  2. Step 2: Convert to fraction form
    96,781,327.20/145,004,029.20 = 81,664,783.20/x
  3. Step 3: Cross multiply
    96,781,327.20x = 145,004,029.20 × 81,664,783.20
  4. Step 4: Simplify right side
    96,781,327.20x = 11,841,722,607,744,468
  5. Step 5: Solve for x
    x = 11,841,722,607,744,468/96,781,327.20
  6. Step 6: Final answer
    x = 122,355,447.59

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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.