Home / 129,485,873.53-194,324,469.73-61,328,565.28

Finding the Fourth Proportional to 129,485,873.53, 194,324,469.73 and 61,328,565.28

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Solution

The fourth proportional to 129,485,873.53, 194,324,469.73 and 61,328,565.28 is: 92,038,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,485,873.53 : 194,324,469.73 = 61,328,565.28 : x
  2. Step 2: Convert to fraction form
    129,485,873.53/194,324,469.73 = 61,328,565.28/x
  3. Step 3: Cross multiply
    129,485,873.53x = 194,324,469.73 × 61,328,565.28
  4. Step 4: Simplify right side
    129,485,873.53x = 11,917,640,927,427,272
  5. Step 5: Solve for x
    x = 11,917,640,927,427,272/129,485,873.53
  6. Step 6: Final answer
    x = 92,038,155.22

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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.