Home / 76,923,209.92-106,149,824.16-42,109,165.44

Finding the Fourth Proportional to 76,923,209.92, 106,149,824.16 and 42,109,165.44

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Solution

The fourth proportional to 76,923,209.92, 106,149,824.16 and 42,109,165.44 is: 58,108,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923,209.92 : 106,149,824.16 = 42,109,165.44 : x
  2. Step 2: Convert to fraction form
    76,923,209.92/106,149,824.16 = 42,109,165.44/x
  3. Step 3: Cross multiply
    76,923,209.92x = 106,149,824.16 × 42,109,165.44
  4. Step 4: Simplify right side
    76,923,209.92x = 4,469,880,506,980,348.50
  5. Step 5: Solve for x
    x = 4,469,880,506,980,348.50/76,923,209.92
  6. Step 6: Final answer
    x = 58,108,346.12

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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.