Home / 272,565,656.70-408,848,485.05-163,726,539.90

Finding the Fourth Proportional to 272,565,656.70, 408,848,485.05 and 163,726,539.90

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Solution

The fourth proportional to 272,565,656.70, 408,848,485.05 and 163,726,539.90 is: 245,589,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,565,656.70 : 408,848,485.05 = 163,726,539.90 : x
  2. Step 2: Convert to fraction form
    272,565,656.70/408,848,485.05 = 163,726,539.90/x
  3. Step 3: Cross multiply
    272,565,656.70x = 408,848,485.05 × 163,726,539.90
  4. Step 4: Simplify right side
    272,565,656.70x = 66,939,347,800,593,384
  5. Step 5: Solve for x
    x = 66,939,347,800,593,384/272,565,656.70
  6. Step 6: Final answer
    x = 245,589,809.85

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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.