Home / 70,964,657.87-106,464,965.72-21,783,004.61

Finding the Fourth Proportional to 70,964,657.87, 106,464,965.72 and 21,783,004.61

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Solution

The fourth proportional to 70,964,657.87, 106,464,965.72 and 21,783,004.61 is: 32,680,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964,657.87 : 106,464,965.72 = 21,783,004.61 : x
  2. Step 2: Convert to fraction form
    70,964,657.87/106,464,965.72 = 21,783,004.61/x
  3. Step 3: Cross multiply
    70,964,657.87x = 106,464,965.72 × 21,783,004.61
  4. Step 4: Simplify right side
    70,964,657.87x = 2,319,126,838,441,012
  5. Step 5: Solve for x
    x = 2,319,126,838,441,012/70,964,657.87
  6. Step 6: Final answer
    x = 32,680,025.64

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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.