Home / 87,692,571.60-131,349,900.60-72,576,027.60

Finding the Fourth Proportional to 87,692,571.60, 131,349,900.60 and 72,576,027.60

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Solution

The fourth proportional to 87,692,571.60, 131,349,900.60 and 72,576,027.60 is: 108,707,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692,571.60 : 131,349,900.60 = 72,576,027.60 : x
  2. Step 2: Convert to fraction form
    87,692,571.60/131,349,900.60 = 72,576,027.60/x
  3. Step 3: Cross multiply
    87,692,571.60x = 131,349,900.60 × 72,576,027.60
  4. Step 4: Simplify right side
    87,692,571.60x = 9,532,854,011,202,856
  5. Step 5: Solve for x
    x = 9,532,854,011,202,856/87,692,571.60
  6. Step 6: Final answer
    x = 108,707,657.19

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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.