Home / 198,149,048.40-297,223,572.60-120,664,950.60

Finding the Fourth Proportional to 198,149,048.40, 297,223,572.60 and 120,664,950.60

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Solution

The fourth proportional to 198,149,048.40, 297,223,572.60 and 120,664,950.60 is: 180,997,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,149,048.40 : 297,223,572.60 = 120,664,950.60 : x
  2. Step 2: Convert to fraction form
    198,149,048.40/297,223,572.60 = 120,664,950.60/x
  3. Step 3: Cross multiply
    198,149,048.40x = 297,223,572.60 × 120,664,950.60
  4. Step 4: Simplify right side
    198,149,048.40x = 35,864,467,704,934,516
  5. Step 5: Solve for x
    x = 35,864,467,704,934,516/198,149,048.40
  6. Step 6: Final answer
    x = 180,997,425.90

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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.