Home / 131,341,541,561.37-196,961,378,452.77-45,175,408,359.03

Finding the Fourth Proportional to 131,341,541,561.37, 196,961,378,452.77 and 45,175,408,359.03

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Solution

The fourth proportional to 131,341,541,561.37, 196,961,378,452.77 and 45,175,408,359.03 is: 67,745,593,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,341,541,561.37 : 196,961,378,452.77 = 45,175,408,359.03 : x
  2. Step 2: Convert to fraction form
    131,341,541,561.37/196,961,378,452.77 = 45,175,408,359.03/x
  3. Step 3: Cross multiply
    131,341,541,561.37x = 196,961,378,452.77 × 45,175,408,359.03
  4. Step 4: Simplify right side
    131,341,541,561.37x = 8,897,810,702,561,336,885,248
  5. Step 5: Solve for x
    x = 8,897,810,702,561,336,885,248/131,341,541,561.37
  6. Step 6: Final answer
    x = 67,745,593,639.19

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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.