Home / 140,730,278,408.83-194,206,404,483.64-76,497,180,989.73

Finding the Fourth Proportional to 140,730,278,408.83, 194,206,404,483.64 and 76,497,180,989.73

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Solution

The fourth proportional to 140,730,278,408.83, 194,206,404,483.64 and 76,497,180,989.73 is: 105,565,359,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,730,278,408.83 : 194,206,404,483.64 = 76,497,180,989.73 : x
  2. Step 2: Convert to fraction form
    140,730,278,408.83/194,206,404,483.64 = 76,497,180,989.73/x
  3. Step 3: Cross multiply
    140,730,278,408.83x = 194,206,404,483.64 × 76,497,180,989.73
  4. Step 4: Simplify right side
    140,730,278,408.83x = 14,856,242,473,149,722,001,408
  5. Step 5: Solve for x
    x = 14,856,242,473,149,722,001,408/140,730,278,408.83
  6. Step 6: Final answer
    x = 105,565,359,786.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.