Home / 64,152,029.80-96,228,044.70-21,022,640.20

Finding the Fourth Proportional to 64,152,029.80, 96,228,044.70 and 21,022,640.20

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Solution

The fourth proportional to 64,152,029.80, 96,228,044.70 and 21,022,640.20 is: 31,533,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,029.80 : 96,228,044.70 = 21,022,640.20 : x
  2. Step 2: Convert to fraction form
    64,152,029.80/96,228,044.70 = 21,022,640.20/x
  3. Step 3: Cross multiply
    64,152,029.80x = 96,228,044.70 × 21,022,640.20
  4. Step 4: Simplify right side
    64,152,029.80x = 2,022,967,560,877,617
  5. Step 5: Solve for x
    x = 2,022,967,560,877,617/64,152,029.80
  6. Step 6: Final answer
    x = 31,533,960.30

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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.