Home / 146,765,157.90-202,536,048.23-80,686,780.41

Finding the Fourth Proportional to 146,765,157.90, 202,536,048.23 and 80,686,780.41

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Solution

The fourth proportional to 146,765,157.90, 202,536,048.23 and 80,686,780.41 is: 111,347,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,765,157.90 : 202,536,048.23 = 80,686,780.41 : x
  2. Step 2: Convert to fraction form
    146,765,157.90/202,536,048.23 = 80,686,780.41/x
  3. Step 3: Cross multiply
    146,765,157.90x = 202,536,048.23 × 80,686,780.41
  4. Step 4: Simplify right side
    146,765,157.90x = 16,341,981,648,239,744
  5. Step 5: Solve for x
    x = 16,341,981,648,239,744/146,765,157.90
  6. Step 6: Final answer
    x = 111,347,828.61

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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.