Home / 68,124,632.22-102,185,985.87-31,712,656.86

Finding the Fourth Proportional to 68,124,632.22, 102,185,985.87 and 31,712,656.86

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Solution

The fourth proportional to 68,124,632.22, 102,185,985.87 and 31,712,656.86 is: 47,568,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,124,632.22 : 102,185,985.87 = 31,712,656.86 : x
  2. Step 2: Convert to fraction form
    68,124,632.22/102,185,985.87 = 31,712,656.86/x
  3. Step 3: Cross multiply
    68,124,632.22x = 102,185,985.87 × 31,712,656.86
  4. Step 4: Simplify right side
    68,124,632.22x = 3,240,589,105,796,118.50
  5. Step 5: Solve for x
    x = 3,240,589,105,796,118.50/68,124,632.22
  6. Step 6: Final answer
    x = 47,568,537.26

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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.