Home / 181,290,961.10-250,173,703.23-102,974,270.78

Finding the Fourth Proportional to 181,290,961.10, 250,173,703.23 and 102,974,270.78

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Solution

The fourth proportional to 181,290,961.10, 250,173,703.23 and 102,974,270.78 is: 142,100,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,290,961.10 : 250,173,703.23 = 102,974,270.78 : x
  2. Step 2: Convert to fraction form
    181,290,961.10/250,173,703.23 = 102,974,270.78/x
  3. Step 3: Cross multiply
    181,290,961.10x = 250,173,703.23 × 102,974,270.78
  4. Step 4: Simplify right side
    181,290,961.10x = 25,761,454,658,441,380
  5. Step 5: Solve for x
    x = 25,761,454,658,441,380/181,290,961.10
  6. Step 6: Final answer
    x = 142,100,050.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.