Home / 84,510,510.72-126,783,961.92-26,217,007.44

Finding the Fourth Proportional to 84,510,510.72, 126,783,961.92 and 26,217,007.44

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Solution

The fourth proportional to 84,510,510.72, 126,783,961.92 and 26,217,007.44 is: 39,331,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,510,510.72 : 126,783,961.92 = 26,217,007.44 : x
  2. Step 2: Convert to fraction form
    84,510,510.72/126,783,961.92 = 26,217,007.44/x
  3. Step 3: Cross multiply
    84,510,510.72x = 126,783,961.92 × 26,217,007.44
  4. Step 4: Simplify right side
    84,510,510.72x = 3,323,896,072,929,317
  5. Step 5: Solve for x
    x = 3,323,896,072,929,317/84,510,510.72
  6. Step 6: Final answer
    x = 39,331,155.91

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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.