Home / 76,098,801.30-114,147,655.20-18,590,542.80

Finding the Fourth Proportional to 76,098,801.30, 114,147,655.20 and 18,590,542.80

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Solution

The fourth proportional to 76,098,801.30, 114,147,655.20 and 18,590,542.80 is: 27,885,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,098,801.30 : 114,147,655.20 = 18,590,542.80 : x
  2. Step 2: Convert to fraction form
    76,098,801.30/114,147,655.20 = 18,590,542.80/x
  3. Step 3: Cross multiply
    76,098,801.30x = 114,147,655.20 × 18,590,542.80
  4. Step 4: Simplify right side
    76,098,801.30x = 2,122,066,869,515,242.75
  5. Step 5: Solve for x
    x = 2,122,066,869,515,242.75/76,098,801.30
  6. Step 6: Final answer
    x = 27,885,680.63

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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.