Home / 294,869,406.80-442,587,545.40-149,467,149.20

Finding the Fourth Proportional to 294,869,406.80, 442,587,545.40 and 149,467,149.20

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Solution

The fourth proportional to 294,869,406.80, 442,587,545.40 and 149,467,149.20 is: 224,344,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,869,406.80 : 442,587,545.40 = 149,467,149.20 : x
  2. Step 2: Convert to fraction form
    294,869,406.80/442,587,545.40 = 149,467,149.20/x
  3. Step 3: Cross multiply
    294,869,406.80x = 442,587,545.40 × 149,467,149.20
  4. Step 4: Simplify right side
    294,869,406.80x = 66,152,298,682,363,568
  5. Step 5: Solve for x
    x = 66,152,298,682,363,568/294,869,406.80
  6. Step 6: Final answer
    x = 224,344,395.03

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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.