Home / 105,009,404.90-157,230,672.15-82,334,588.90

Finding the Fourth Proportional to 105,009,404.90, 157,230,672.15 and 82,334,588.90

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Solution

The fourth proportional to 105,009,404.90, 157,230,672.15 and 82,334,588.90 is: 123,279,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,009,404.90 : 157,230,672.15 = 82,334,588.90 : x
  2. Step 2: Convert to fraction form
    105,009,404.90/157,230,672.15 = 82,334,588.90/x
  3. Step 3: Cross multiply
    105,009,404.90x = 157,230,672.15 × 82,334,588.90
  4. Step 4: Simplify right side
    105,009,404.90x = 12,945,522,753,940,930
  5. Step 5: Solve for x
    x = 12,945,522,753,940,930/105,009,404.90
  6. Step 6: Final answer
    x = 123,279,650.68

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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.