Home / 149,712,000.30-224,568,000.45-85,214,745.90

Finding the Fourth Proportional to 149,712,000.30, 224,568,000.45 and 85,214,745.90

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Solution

The fourth proportional to 149,712,000.30, 224,568,000.45 and 85,214,745.90 is: 127,822,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,712,000.30 : 224,568,000.45 = 85,214,745.90 : x
  2. Step 2: Convert to fraction form
    149,712,000.30/224,568,000.45 = 85,214,745.90/x
  3. Step 3: Cross multiply
    149,712,000.30x = 224,568,000.45 × 85,214,745.90
  4. Step 4: Simplify right side
    149,712,000.30x = 19,136,505,095,617,836
  5. Step 5: Solve for x
    x = 19,136,505,095,617,836/149,712,000.30
  6. Step 6: Final answer
    x = 127,822,118.85

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1.5x scale

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.