Home / 133,056,009.20-199,434,714.60-75,575,817.20

Finding the Fourth Proportional to 133,056,009.20, 199,434,714.60 and 75,575,817.20

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Solution

The fourth proportional to 133,056,009.20, 199,434,714.60 and 75,575,817.20 is: 113,278,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056,009.20 : 199,434,714.60 = 75,575,817.20 : x
  2. Step 2: Convert to fraction form
    133,056,009.20/199,434,714.60 = 75,575,817.20/x
  3. Step 3: Cross multiply
    133,056,009.20x = 199,434,714.60 × 75,575,817.20
  4. Step 4: Simplify right side
    133,056,009.20x = 15,072,441,533,943,772
  5. Step 5: Solve for x
    x = 15,072,441,533,943,772/133,056,009.20
  6. Step 6: Final answer
    x = 113,278,923.85

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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.