Home / 86,562,745.22-129,844,376.17-20,983,622.93

Finding the Fourth Proportional to 86,562,745.22, 129,844,376.17 and 20,983,622.93

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Solution

The fourth proportional to 86,562,745.22, 129,844,376.17 and 20,983,622.93 is: 31,475,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562,745.22 : 129,844,376.17 = 20,983,622.93 : x
  2. Step 2: Convert to fraction form
    86,562,745.22/129,844,376.17 = 20,983,622.93/x
  3. Step 3: Cross multiply
    86,562,745.22x = 129,844,376.17 × 20,983,622.93
  4. Step 4: Simplify right side
    86,562,745.22x = 2,724,605,429,027,439.50
  5. Step 5: Solve for x
    x = 2,724,605,429,027,439.50/86,562,745.22
  6. Step 6: Final answer
    x = 31,475,497.02

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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.