Home / 129,648,003.84-178,894,383.84-74,633,231.52

Finding the Fourth Proportional to 129,648,003.84, 178,894,383.84 and 74,633,231.52

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Solution

The fourth proportional to 129,648,003.84, 178,894,383.84 and 74,633,231.52 is: 102,982,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,648,003.84 : 178,894,383.84 = 74,633,231.52 : x
  2. Step 2: Convert to fraction form
    129,648,003.84/178,894,383.84 = 74,633,231.52/x
  3. Step 3: Cross multiply
    129,648,003.84x = 178,894,383.84 × 74,633,231.52
  4. Step 4: Simplify right side
    129,648,003.84x = 13,351,465,966,758,466
  5. Step 5: Solve for x
    x = 13,351,465,966,758,466/129,648,003.84
  6. Step 6: Final answer
    x = 102,982,426.04

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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.