Home / 133,056,019.20-199,434,729.60-75,575,827.20

Finding the Fourth Proportional to 133,056,019.20, 199,434,729.60 and 75,575,827.20

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Solution

The fourth proportional to 133,056,019.20, 199,434,729.60 and 75,575,827.20 is: 113,278,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056,019.20 : 199,434,729.60 = 75,575,827.20 : x
  2. Step 2: Convert to fraction form
    133,056,019.20/199,434,729.60 = 75,575,827.20/x
  3. Step 3: Cross multiply
    133,056,019.20x = 199,434,729.60 × 75,575,827.20
  4. Step 4: Simplify right side
    133,056,019.20x = 15,072,444,661,928,326
  5. Step 5: Solve for x
    x = 15,072,444,661,928,326/133,056,019.20
  6. Step 6: Final answer
    x = 113,278,938.85

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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.