Home / 139,418,579.76-192,396,575.82-76,693,327.08

Finding the Fourth Proportional to 139,418,579.76, 192,396,575.82 and 76,693,327.08

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Solution

The fourth proportional to 139,418,579.76, 192,396,575.82 and 76,693,327.08 is: 105,836,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,418,579.76 : 192,396,575.82 = 76,693,327.08 : x
  2. Step 2: Convert to fraction form
    139,418,579.76/192,396,575.82 = 76,693,327.08/x
  3. Step 3: Cross multiply
    139,418,579.76x = 192,396,575.82 × 76,693,327.08
  4. Step 4: Simplify right side
    139,418,579.76x = 14,755,533,518,435,278
  5. Step 5: Solve for x
    x = 14,755,533,518,435,278/139,418,579.76
  6. Step 6: Final answer
    x = 105,836,205.93

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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.