Home / 149,854,450.40-224,669,701.20-81,774,015.20

Finding the Fourth Proportional to 149,854,450.40, 224,669,701.20 and 81,774,015.20

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Solution

The fourth proportional to 149,854,450.40, 224,669,701.20 and 81,774,015.20 is: 122,599,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,854,450.40 : 224,669,701.20 = 81,774,015.20 : x
  2. Step 2: Convert to fraction form
    149,854,450.40/224,669,701.20 = 81,774,015.20/x
  3. Step 3: Cross multiply
    149,854,450.40x = 224,669,701.20 × 81,774,015.20
  4. Step 4: Simplify right side
    149,854,450.40x = 18,372,143,560,908,256
  5. Step 5: Solve for x
    x = 18,372,143,560,908,256/149,854,450.40
  6. Step 6: Final answer
    x = 122,599,919.53

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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.