Home / 105,219,002.20-157,836,917.79-36,103,992.98

Finding the Fourth Proportional to 105,219,002.20, 157,836,917.79 and 36,103,992.98

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Solution

The fourth proportional to 105,219,002.20, 157,836,917.79 and 36,103,992.98 is: 54,158,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,219,002.20 : 157,836,917.79 = 36,103,992.98 : x
  2. Step 2: Convert to fraction form
    105,219,002.20/157,836,917.79 = 36,103,992.98/x
  3. Step 3: Cross multiply
    105,219,002.20x = 157,836,917.79 × 36,103,992.98
  4. Step 4: Simplify right side
    105,219,002.20x = 5,698,542,971,874,996
  5. Step 5: Solve for x
    x = 5,698,542,971,874,996/105,219,002.20
  6. Step 6: Final answer
    x = 54,158,876.75

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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.