Home / 113,319,432.20-169,979,148.30-72,504,763.40

Finding the Fourth Proportional to 113,319,432.20, 169,979,148.30 and 72,504,763.40

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Solution

The fourth proportional to 113,319,432.20, 169,979,148.30 and 72,504,763.40 is: 108,757,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,319,432.20 : 169,979,148.30 = 72,504,763.40 : x
  2. Step 2: Convert to fraction form
    113,319,432.20/169,979,148.30 = 72,504,763.40/x
  3. Step 3: Cross multiply
    113,319,432.20x = 169,979,148.30 × 72,504,763.40
  4. Step 4: Simplify right side
    113,319,432.20x = 12,324,297,930,425,014
  5. Step 5: Solve for x
    x = 12,324,297,930,425,014/113,319,432.20
  6. Step 6: Final answer
    x = 108,757,145.10

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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.