Home / 272,565,518.70-408,848,278.05-163,726,401.90

Finding the Fourth Proportional to 272,565,518.70, 408,848,278.05 and 163,726,401.90

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Solution

The fourth proportional to 272,565,518.70, 408,848,278.05 and 163,726,401.90 is: 245,589,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,565,518.70 : 408,848,278.05 = 163,726,401.90 : x
  2. Step 2: Convert to fraction form
    272,565,518.70/408,848,278.05 = 163,726,401.90/x
  3. Step 3: Cross multiply
    272,565,518.70x = 408,848,278.05 × 163,726,401.90
  4. Step 4: Simplify right side
    272,565,518.70x = 66,939,257,488,137,256
  5. Step 5: Solve for x
    x = 66,939,257,488,137,256/272,565,518.70
  6. Step 6: Final answer
    x = 245,589,602.85

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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.