Home / 111,992,228.20-154,549,239.78-60,484,004.20

Finding the Fourth Proportional to 111,992,228.20, 154,549,239.78 and 60,484,004.20

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Solution

The fourth proportional to 111,992,228.20, 154,549,239.78 and 60,484,004.20 is: 83,467,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992,228.20 : 154,549,239.78 = 60,484,004.20 : x
  2. Step 2: Convert to fraction form
    111,992,228.20/154,549,239.78 = 60,484,004.20/x
  3. Step 3: Cross multiply
    111,992,228.20x = 154,549,239.78 × 60,484,004.20
  4. Step 4: Simplify right side
    111,992,228.20x = 9,347,756,867,960,328
  5. Step 5: Solve for x
    x = 9,347,756,867,960,328/111,992,228.20
  6. Step 6: Final answer
    x = 83,467,906.82

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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.