Home / 68,124,633.22-102,185,987.37-31,712,657.86

Finding the Fourth Proportional to 68,124,633.22, 102,185,987.37 and 31,712,657.86

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Solution

The fourth proportional to 68,124,633.22, 102,185,987.37 and 31,712,657.86 is: 47,568,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,124,633.22 : 102,185,987.37 = 31,712,657.86 : x
  2. Step 2: Convert to fraction form
    68,124,633.22/102,185,987.37 = 31,712,657.86/x
  3. Step 3: Cross multiply
    68,124,633.22x = 102,185,987.37 × 31,712,657.86
  4. Step 4: Simplify right side
    68,124,633.22x = 3,240,589,255,551,091.50
  5. Step 5: Solve for x
    x = 3,240,589,255,551,091.50/68,124,633.22
  6. Step 6: Final answer
    x = 47,568,538.76

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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.