Home / 115,981,261.17-160,049,835.95-63,767,190.21

Finding the Fourth Proportional to 115,981,261.17, 160,049,835.95 and 63,767,190.21

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Solution

The fourth proportional to 115,981,261.17, 160,049,835.95 and 63,767,190.21 is: 87,996,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,981,261.17 : 160,049,835.95 = 63,767,190.21 : x
  2. Step 2: Convert to fraction form
    115,981,261.17/160,049,835.95 = 63,767,190.21/x
  3. Step 3: Cross multiply
    115,981,261.17x = 160,049,835.95 × 63,767,190.21
  4. Step 4: Simplify right side
    115,981,261.17x = 10,205,928,331,784,110
  5. Step 5: Solve for x
    x = 10,205,928,331,784,110/115,981,261.17
  6. Step 6: Final answer
    x = 87,996,355.87

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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.