Home / 76,958,209.17-115,447,942.58-25,854,842.61

Finding the Fourth Proportional to 76,958,209.17, 115,447,942.58 and 25,854,842.61

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Solution

The fourth proportional to 76,958,209.17, 115,447,942.58 and 25,854,842.61 is: 38,785,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,958,209.17 : 115,447,942.58 = 25,854,842.61 : x
  2. Step 2: Convert to fraction form
    76,958,209.17/115,447,942.58 = 25,854,842.61/x
  3. Step 3: Cross multiply
    76,958,209.17x = 115,447,942.58 × 25,854,842.61
  4. Step 4: Simplify right side
    76,958,209.17x = 2,984,888,384,924,943
  5. Step 5: Solve for x
    x = 2,984,888,384,924,943/76,958,209.17
  6. Step 6: Final answer
    x = 38,785,834.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.