Home / 87,334,792.56-130,729,579.20-64,331,664.48

Finding the Fourth Proportional to 87,334,792.56, 130,729,579.20 and 64,331,664.48

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Solution

The fourth proportional to 87,334,792.56, 130,729,579.20 and 64,331,664.48 is: 96,296,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,334,792.56 : 130,729,579.20 = 64,331,664.48 : x
  2. Step 2: Convert to fraction form
    87,334,792.56/130,729,579.20 = 64,331,664.48/x
  3. Step 3: Cross multiply
    87,334,792.56x = 130,729,579.20 × 64,331,664.48
  4. Step 4: Simplify right side
    87,334,792.56x = 8,410,051,426,705,987
  5. Step 5: Solve for x
    x = 8,410,051,426,705,987/87,334,792.56
  6. Step 6: Final answer
    x = 96,296,689.79

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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.