Home / 124,050,879.88-171,063,325.31-82,220,420.65

Finding the Fourth Proportional to 124,050,879.88, 171,063,325.31 and 82,220,420.65

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Solution

The fourth proportional to 124,050,879.88, 171,063,325.31 and 82,220,420.65 is: 113,380,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,050,879.88 : 171,063,325.31 = 82,220,420.65 : x
  2. Step 2: Convert to fraction form
    124,050,879.88/171,063,325.31 = 82,220,420.65/x
  3. Step 3: Cross multiply
    124,050,879.88x = 171,063,325.31 × 82,220,420.65
  4. Step 4: Simplify right side
    124,050,879.88x = 14,064,898,565,119,112
  5. Step 5: Solve for x
    x = 14,064,898,565,119,112/124,050,879.88
  6. Step 6: Final answer
    x = 113,380,079.04

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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.