Home / 108,243,693.41-149,397,997.79-64,215,130.91

Finding the Fourth Proportional to 108,243,693.41, 149,397,997.79 and 64,215,130.91

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Solution

The fourth proportional to 108,243,693.41, 149,397,997.79 and 64,215,130.91 is: 88,629,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,243,693.41 : 149,397,997.79 = 64,215,130.91 : x
  2. Step 2: Convert to fraction form
    108,243,693.41/149,397,997.79 = 64,215,130.91/x
  3. Step 3: Cross multiply
    108,243,693.41x = 149,397,997.79 × 64,215,130.91
  4. Step 4: Simplify right side
    108,243,693.41x = 9,593,611,986,310,774
  5. Step 5: Solve for x
    x = 9,593,611,986,310,774/108,243,693.41
  6. Step 6: Final answer
    x = 88,629,754.62

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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.