Home / 64,950,728.43-89,631,997.77-38,845,242.09

Finding the Fourth Proportional to 64,950,728.43, 89,631,997.77 and 38,845,242.09

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Solution

The fourth proportional to 64,950,728.43, 89,631,997.77 and 38,845,242.09 is: 53,606,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950,728.43 : 89,631,997.77 = 38,845,242.09 : x
  2. Step 2: Convert to fraction form
    64,950,728.43/89,631,997.77 = 38,845,242.09/x
  3. Step 3: Cross multiply
    64,950,728.43x = 89,631,997.77 × 38,845,242.09
  4. Step 4: Simplify right side
    64,950,728.43x = 3,481,776,652,385,990.50
  5. Step 5: Solve for x
    x = 3,481,776,652,385,990.50/64,950,728.43
  6. Step 6: Final answer
    x = 53,606,429.62

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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.