Home / 136,009,624,801.36-187,753,475,228.22-87,861,149,851.90

Finding the Fourth Proportional to 136,009,624,801.36, 187,753,475,228.22 and 87,861,149,851.90

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Solution

The fourth proportional to 136,009,624,801.36, 187,753,475,228.22 and 87,861,149,851.90 is: 121,287,271,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,009,624,801.36 : 187,753,475,228.22 = 87,861,149,851.90 : x
  2. Step 2: Convert to fraction form
    136,009,624,801.36/187,753,475,228.22 = 87,861,149,851.90/x
  3. Step 3: Cross multiply
    136,009,624,801.36x = 187,753,475,228.22 × 87,861,149,851.90
  4. Step 4: Simplify right side
    136,009,624,801.36x = 16,496,236,222,241,631,633,408
  5. Step 5: Solve for x
    x = 16,496,236,222,241,631,633,408/136,009,624,801.36
  6. Step 6: Final answer
    x = 121,287,271,002.58

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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.