Home / 146,771,290.21-202,544,510.03-80,692,912.72

Finding the Fourth Proportional to 146,771,290.21, 202,544,510.03 and 80,692,912.72

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Solution

The fourth proportional to 146,771,290.21, 202,544,510.03 and 80,692,912.72 is: 111,356,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,771,290.21 : 202,544,510.03 = 80,692,912.72 : x
  2. Step 2: Convert to fraction form
    146,771,290.21/202,544,510.03 = 80,692,912.72/x
  3. Step 3: Cross multiply
    146,771,290.21x = 202,544,510.03 × 80,692,912.72
  4. Step 4: Simplify right side
    146,771,290.21x = 16,343,906,470,714,978
  5. Step 5: Solve for x
    x = 16,343,906,470,714,978/146,771,290.21
  6. Step 6: Final answer
    x = 111,356,290.78

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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.