Home / 187,120,506.60-258,213,190.20-108,798,503.52

Finding the Fourth Proportional to 187,120,506.60, 258,213,190.20 and 108,798,503.52

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Solution

The fourth proportional to 187,120,506.60, 258,213,190.20 and 108,798,503.52 is: 150,134,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,120,506.60 : 258,213,190.20 = 108,798,503.52 : x
  2. Step 2: Convert to fraction form
    187,120,506.60/258,213,190.20 = 108,798,503.52/x
  3. Step 3: Cross multiply
    187,120,506.60x = 258,213,190.20 × 108,798,503.52
  4. Step 4: Simplify right side
    187,120,506.60x = 28,093,208,682,885,128
  5. Step 5: Solve for x
    x = 28,093,208,682,885,128/187,120,506.60
  6. Step 6: Final answer
    x = 150,134,312.87

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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.