Home / 40,220,065.50-55,503,223.83-21,885,035.10

Finding the Fourth Proportional to 40,220,065.50, 55,503,223.83 and 21,885,035.10

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Solution

The fourth proportional to 40,220,065.50, 55,503,223.83 and 21,885,035.10 is: 30,201,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220,065.50 : 55,503,223.83 = 21,885,035.10 : x
  2. Step 2: Convert to fraction form
    40,220,065.50/55,503,223.83 = 21,885,035.10/x
  3. Step 3: Cross multiply
    40,220,065.50x = 55,503,223.83 × 21,885,035.10
  4. Step 4: Simplify right side
    40,220,065.50x = 1,214,690,001,682,706.50
  5. Step 5: Solve for x
    x = 1,214,690,001,682,706.50/40,220,065.50
  6. Step 6: Final answer
    x = 30,201,094.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.