Home / 164,145,256.76-246,285,711.30-71,981,305.40

Finding the Fourth Proportional to 164,145,256.76, 246,285,711.30 and 71,981,305.40

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Solution

The fourth proportional to 164,145,256.76, 246,285,711.30 and 71,981,305.40 is: 108,001,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,145,256.76 : 246,285,711.30 = 71,981,305.40 : x
  2. Step 2: Convert to fraction form
    164,145,256.76/246,285,711.30 = 71,981,305.40/x
  3. Step 3: Cross multiply
    164,145,256.76x = 246,285,711.30 × 71,981,305.40
  4. Step 4: Simplify right side
    164,145,256.76x = 17,727,967,000,741,534
  5. Step 5: Solve for x
    x = 17,727,967,000,741,534/164,145,256.76
  6. Step 6: Final answer
    x = 108,001,701.36

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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.