Home / 149,672,521.20-224,697,738.60-80,640,303.60

Finding the Fourth Proportional to 149,672,521.20, 224,697,738.60 and 80,640,303.60

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Solution

The fourth proportional to 149,672,521.20, 224,697,738.60 and 80,640,303.60 is: 121,062,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672,521.20 : 224,697,738.60 = 80,640,303.60 : x
  2. Step 2: Convert to fraction form
    149,672,521.20/224,697,738.60 = 80,640,303.60/x
  3. Step 3: Cross multiply
    149,672,521.20x = 224,697,738.60 × 80,640,303.60
  4. Step 4: Simplify right side
    149,672,521.20x = 18,119,693,858,937,436
  5. Step 5: Solve for x
    x = 18,119,693,858,937,436/149,672,521.20
  6. Step 6: Final answer
    x = 121,062,261.22

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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.