Home / 257,408,912.88-385,596,394.92-119,040,574.32

Finding the Fourth Proportional to 257,408,912.88, 385,596,394.92 and 119,040,574.32

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Solution

The fourth proportional to 257,408,912.88, 385,596,394.92 and 119,040,574.32 is: 178,321,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,408,912.88 : 385,596,394.92 = 119,040,574.32 : x
  2. Step 2: Convert to fraction form
    257,408,912.88/385,596,394.92 = 119,040,574.32/x
  3. Step 3: Cross multiply
    257,408,912.88x = 385,596,394.92 × 119,040,574.32
  4. Step 4: Simplify right side
    257,408,912.88x = 45,901,616,306,998,328
  5. Step 5: Solve for x
    x = 45,901,616,306,998,328/257,408,912.88
  6. Step 6: Final answer
    x = 178,321,783.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.