Home / 90,763,778.10-136,127,952.45-30,179,504.10

Finding the Fourth Proportional to 90,763,778.10, 136,127,952.45 and 30,179,504.10

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Solution

The fourth proportional to 90,763,778.10, 136,127,952.45 and 30,179,504.10 is: 45,263,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,763,778.10 : 136,127,952.45 = 30,179,504.10 : x
  2. Step 2: Convert to fraction form
    90,763,778.10/136,127,952.45 = 30,179,504.10/x
  3. Step 3: Cross multiply
    90,763,778.10x = 136,127,952.45 × 30,179,504.10
  4. Step 4: Simplify right side
    90,763,778.10x = 4,108,274,099,089,380
  5. Step 5: Solve for x
    x = 4,108,274,099,089,380/90,763,778.10
  6. Step 6: Final answer
    x = 45,263,365.91

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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.