Home / 130,408,033.16-179,965,186.29-74,653,229.25

Finding the Fourth Proportional to 130,408,033.16, 179,965,186.29 and 74,653,229.25

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Solution

The fourth proportional to 130,408,033.16, 179,965,186.29 and 74,653,229.25 is: 103,022,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,033.16 : 179,965,186.29 = 74,653,229.25 : x
  2. Step 2: Convert to fraction form
    130,408,033.16/179,965,186.29 = 74,653,229.25/x
  3. Step 3: Cross multiply
    130,408,033.16x = 179,965,186.29 × 74,653,229.25
  4. Step 4: Simplify right side
    130,408,033.16x = 13,434,982,309,126,326
  5. Step 5: Solve for x
    x = 13,434,982,309,126,326/130,408,033.16
  6. Step 6: Final answer
    x = 103,022,658.83

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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.