Home / 272,565,463.20-408,848,194.80-163,726,346.40

Finding the Fourth Proportional to 272,565,463.20, 408,848,194.80 and 163,726,346.40

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Solution

The fourth proportional to 272,565,463.20, 408,848,194.80 and 163,726,346.40 is: 245,589,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,565,463.20 : 408,848,194.80 = 163,726,346.40 : x
  2. Step 2: Convert to fraction form
    272,565,463.20/408,848,194.80 = 163,726,346.40/x
  3. Step 3: Cross multiply
    272,565,463.20x = 408,848,194.80 × 163,726,346.40
  4. Step 4: Simplify right side
    272,565,463.20x = 66,939,221,166,839,480
  5. Step 5: Solve for x
    x = 66,939,221,166,839,480/272,565,463.20
  6. Step 6: Final answer
    x = 245,589,519.60

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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.