Home / 221,489,774.60-332,234,661.90-130,790,510.60

Finding the Fourth Proportional to 221,489,774.60, 332,234,661.90 and 130,790,510.60

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Solution

The fourth proportional to 221,489,774.60, 332,234,661.90 and 130,790,510.60 is: 196,185,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,489,774.60 : 332,234,661.90 = 130,790,510.60 : x
  2. Step 2: Convert to fraction form
    221,489,774.60/332,234,661.90 = 130,790,510.60/x
  3. Step 3: Cross multiply
    221,489,774.60x = 332,234,661.90 × 130,790,510.60
  4. Step 4: Simplify right side
    221,489,774.60x = 43,453,141,068,919,360
  5. Step 5: Solve for x
    x = 43,453,141,068,919,360/221,489,774.60
  6. Step 6: Final answer
    x = 196,185,765.90

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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.