Home / 96,781,703.20-145,004,593.20-81,665,159.20

Finding the Fourth Proportional to 96,781,703.20, 145,004,593.20 and 81,665,159.20

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Solution

The fourth proportional to 96,781,703.20, 145,004,593.20 and 81,665,159.20 is: 122,356,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,781,703.20 : 145,004,593.20 = 81,665,159.20 : x
  2. Step 2: Convert to fraction form
    96,781,703.20/145,004,593.20 = 81,665,159.20/x
  3. Step 3: Cross multiply
    96,781,703.20x = 145,004,593.20 × 81,665,159.20
  4. Step 4: Simplify right side
    96,781,703.20x = 11,841,823,188,409,236
  5. Step 5: Solve for x
    x = 11,841,823,188,409,236/96,781,703.20
  6. Step 6: Final answer
    x = 122,356,011.49

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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.