Home / 131,341,541,558.36-196,961,378,448.29-45,175,408,356.02

Finding the Fourth Proportional to 131,341,541,558.36, 196,961,378,448.29 and 45,175,408,356.02

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Solution

The fourth proportional to 131,341,541,558.36, 196,961,378,448.29 and 45,175,408,356.02 is: 67,745,593,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,341,541,558.36 : 196,961,378,448.29 = 45,175,408,356.02 : x
  2. Step 2: Convert to fraction form
    131,341,541,558.36/196,961,378,448.29 = 45,175,408,356.02/x
  3. Step 3: Cross multiply
    131,341,541,558.36x = 196,961,378,448.29 × 45,175,408,356.02
  4. Step 4: Simplify right side
    131,341,541,558.36x = 8,897,810,701,765,113,282,560
  5. Step 5: Solve for x
    x = 8,897,810,701,765,113,282,560/131,341,541,558.36
  6. Step 6: Final answer
    x = 67,745,593,634.68

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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.