Home / 129,361,546,890.60-194,042,320,335.90-31,325,720,202.60

Finding the Fourth Proportional to 129,361,546,890.60, 194,042,320,335.90 and 31,325,720,202.60

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Solution

The fourth proportional to 129,361,546,890.60, 194,042,320,335.90 and 31,325,720,202.60 is: 46,988,580,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,361,546,890.60 : 194,042,320,335.90 = 31,325,720,202.60 : x
  2. Step 2: Convert to fraction form
    129,361,546,890.60/194,042,320,335.90 = 31,325,720,202.60/x
  3. Step 3: Cross multiply
    129,361,546,890.60x = 194,042,320,335.90 × 31,325,720,202.60
  4. Step 4: Simplify right side
    129,361,546,890.60x = 6,078,515,434,305,682,931,712
  5. Step 5: Solve for x
    x = 6,078,515,434,305,682,931,712/129,361,546,890.60
  6. Step 6: Final answer
    x = 46,988,580,303.90

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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.