Home / 74,451,004.20-111,456,056.70-55,366,367.40

Finding the Fourth Proportional to 74,451,004.20, 111,456,056.70 and 55,366,367.40

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Solution

The fourth proportional to 74,451,004.20, 111,456,056.70 and 55,366,367.40 is: 82,885,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,451,004.20 : 111,456,056.70 = 55,366,367.40 : x
  2. Step 2: Convert to fraction form
    74,451,004.20/111,456,056.70 = 55,366,367.40/x
  3. Step 3: Cross multiply
    74,451,004.20x = 111,456,056.70 × 55,366,367.40
  4. Step 4: Simplify right side
    74,451,004.20x = 6,170,916,984,207,432
  5. Step 5: Solve for x
    x = 6,170,916,984,207,432/74,451,004.20
  6. Step 6: Final answer
    x = 82,885,611.15

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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.