Home / 144,581,545.80-217,040,280.30-87,138,678.60

Finding the Fourth Proportional to 144,581,545.80, 217,040,280.30 and 87,138,678.60

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Solution

The fourth proportional to 144,581,545.80, 217,040,280.30 and 87,138,678.60 is: 130,809,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581,545.80 : 217,040,280.30 = 87,138,678.60 : x
  2. Step 2: Convert to fraction form
    144,581,545.80/217,040,280.30 = 87,138,678.60/x
  3. Step 3: Cross multiply
    144,581,545.80x = 217,040,280.30 × 87,138,678.60
  4. Step 4: Simplify right side
    144,581,545.80x = 18,912,603,228,315,612
  5. Step 5: Solve for x
    x = 18,912,603,228,315,612/144,581,545.80
  6. Step 6: Final answer
    x = 130,809,247.64

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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.