Home / 99,861,804,503.20-149,777,571,804.45-27,178,617,383.72

Finding the Fourth Proportional to 99,861,804,503.20, 149,777,571,804.45 and 27,178,617,383.72

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Solution

The fourth proportional to 99,861,804,503.20, 149,777,571,804.45 and 27,178,617,383.72 is: 40,763,806,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,861,804,503.20 : 149,777,571,804.45 = 27,178,617,383.72 : x
  2. Step 2: Convert to fraction form
    99,861,804,503.20/149,777,571,804.45 = 27,178,617,383.72/x
  3. Step 3: Cross multiply
    99,861,804,503.20x = 149,777,571,804.45 × 27,178,617,383.72
  4. Step 4: Simplify right side
    99,861,804,503.20x = 4,070,747,316,736,095,158,272
  5. Step 5: Solve for x
    x = 4,070,747,316,736,095,158,272/99,861,804,503.20
  6. Step 6: Final answer
    x = 40,763,806,912.84

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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.