Home / 146,697,640.20-220,188,177.90-89,302,012.20

Finding the Fourth Proportional to 146,697,640.20, 220,188,177.90 and 89,302,012.20

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Solution

The fourth proportional to 146,697,640.20, 220,188,177.90 and 89,302,012.20 is: 134,039,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,697,640.20 : 220,188,177.90 = 89,302,012.20 : x
  2. Step 2: Convert to fraction form
    146,697,640.20/220,188,177.90 = 89,302,012.20/x
  3. Step 3: Cross multiply
    146,697,640.20x = 220,188,177.90 × 89,302,012.20
  4. Step 4: Simplify right side
    146,697,640.20x = 19,663,247,349,121,572
  5. Step 5: Solve for x
    x = 19,663,247,349,121,572/146,697,640.20
  6. Step 6: Final answer
    x = 134,039,288.72

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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.