Home / 100,843,574.58-139,162,243.13-61,682,474.61

Finding the Fourth Proportional to 100,843,574.58, 139,162,243.13 and 61,682,474.61

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Solution

The fourth proportional to 100,843,574.58, 139,162,243.13 and 61,682,474.61 is: 85,120,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,843,574.58 : 139,162,243.13 = 61,682,474.61 : x
  2. Step 2: Convert to fraction form
    100,843,574.58/139,162,243.13 = 61,682,474.61/x
  3. Step 3: Cross multiply
    100,843,574.58x = 139,162,243.13 × 61,682,474.61
  4. Step 4: Simplify right side
    100,843,574.58x = 8,583,871,528,228,459
  5. Step 5: Solve for x
    x = 8,583,871,528,228,459/100,843,574.58
  6. Step 6: Final answer
    x = 85,120,659.04

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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.