Home / 140,481,867.94-193,870,168.33-76,906,663.66

Finding the Fourth Proportional to 140,481,867.94, 193,870,168.33 and 76,906,663.66

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Solution

The fourth proportional to 140,481,867.94, 193,870,168.33 and 76,906,663.66 is: 106,134,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,481,867.94 : 193,870,168.33 = 76,906,663.66 : x
  2. Step 2: Convert to fraction form
    140,481,867.94/193,870,168.33 = 76,906,663.66/x
  3. Step 3: Cross multiply
    140,481,867.94x = 193,870,168.33 × 76,906,663.66
  4. Step 4: Simplify right side
    140,481,867.94x = 14,909,907,829,462,894
  5. Step 5: Solve for x
    x = 14,909,907,829,462,894/140,481,867.94
  6. Step 6: Final answer
    x = 106,134,037.42

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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.