Home / 139,270,869.31-192,195,540.98-76,553,814.55

Finding the Fourth Proportional to 139,270,869.31, 192,195,540.98 and 76,553,814.55

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Solution

The fourth proportional to 139,270,869.31, 192,195,540.98 and 76,553,814.55 is: 105,645,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,270,869.31 : 192,195,540.98 = 76,553,814.55 : x
  2. Step 2: Convert to fraction form
    139,270,869.31/192,195,540.98 = 76,553,814.55/x
  3. Step 3: Cross multiply
    139,270,869.31x = 192,195,540.98 × 76,553,814.55
  4. Step 4: Simplify right side
    139,270,869.31x = 14,713,301,801,519,844
  5. Step 5: Solve for x
    x = 14,713,301,801,519,844/139,270,869.31
  6. Step 6: Final answer
    x = 105,645,221.25

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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.