Home / 140,730,278,410.84-194,206,404,486.40-76,497,180,991.74

Finding the Fourth Proportional to 140,730,278,410.84, 194,206,404,486.40 and 76,497,180,991.74

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Solution

The fourth proportional to 140,730,278,410.84, 194,206,404,486.40 and 76,497,180,991.74 is: 105,565,359,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,730,278,410.84 : 194,206,404,486.40 = 76,497,180,991.74 : x
  2. Step 2: Convert to fraction form
    140,730,278,410.84/194,206,404,486.40 = 76,497,180,991.74/x
  3. Step 3: Cross multiply
    140,730,278,410.84x = 194,206,404,486.40 × 76,497,180,991.74
  4. Step 4: Simplify right side
    140,730,278,410.84x = 14,856,242,473,751,208,263,680
  5. Step 5: Solve for x
    x = 14,856,242,473,751,208,263,680/140,730,278,410.84
  6. Step 6: Final answer
    x = 105,565,359,789.74

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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.