Home / 187,460,049.20-281,232,064.20-72,434,346.80

Finding the Fourth Proportional to 187,460,049.20, 281,232,064.20 and 72,434,346.80

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Solution

The fourth proportional to 187,460,049.20, 281,232,064.20 and 72,434,346.80 is: 108,667,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,460,049.20 : 281,232,064.20 = 72,434,346.80 : x
  2. Step 2: Convert to fraction form
    187,460,049.20/281,232,064.20 = 72,434,346.80/x
  3. Step 3: Cross multiply
    187,460,049.20x = 281,232,064.20 × 72,434,346.80
  4. Step 4: Simplify right side
    187,460,049.20x = 20,370,860,869,542,664
  5. Step 5: Solve for x
    x = 20,370,860,869,542,664/187,460,049.20
  6. Step 6: Final answer
    x = 108,667,745.24

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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.