Home / 129,457,393.22-178,693,777.22-103,044,197.18

Finding the Fourth Proportional to 129,457,393.22, 178,693,777.22 and 103,044,197.18

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Solution

The fourth proportional to 129,457,393.22, 178,693,777.22 and 103,044,197.18 is: 142,234,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,457,393.22 : 178,693,777.22 = 103,044,197.18 : x
  2. Step 2: Convert to fraction form
    129,457,393.22/178,693,777.22 = 103,044,197.18/x
  3. Step 3: Cross multiply
    129,457,393.22x = 178,693,777.22 × 103,044,197.18
  4. Step 4: Simplify right side
    129,457,393.22x = 18,413,356,814,628,188
  5. Step 5: Solve for x
    x = 18,413,356,814,628,188/129,457,393.22
  6. Step 6: Final answer
    x = 142,234,880.19

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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.