Home / 115,321,213.15-159,143,170.50-65,096,005.89

Finding the Fourth Proportional to 115,321,213.15, 159,143,170.50 and 65,096,005.89

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Solution

The fourth proportional to 115,321,213.15, 159,143,170.50 and 65,096,005.89 is: 89,832,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,321,213.15 : 159,143,170.50 = 65,096,005.89 : x
  2. Step 2: Convert to fraction form
    115,321,213.15/159,143,170.50 = 65,096,005.89/x
  3. Step 3: Cross multiply
    115,321,213.15x = 159,143,170.50 × 65,096,005.89
  4. Step 4: Simplify right side
    115,321,213.15x = 10,359,584,764,818,060
  5. Step 5: Solve for x
    x = 10,359,584,764,818,060/115,321,213.15
  6. Step 6: Final answer
    x = 89,832,429.63

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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.