Home / 101,309,234.40-152,038,501.20-40,768,408.80

Finding the Fourth Proportional to 101,309,234.40, 152,038,501.20 and 40,768,408.80

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Solution

The fourth proportional to 101,309,234.40, 152,038,501.20 and 40,768,408.80 is: 61,182,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,309,234.40 : 152,038,501.20 = 40,768,408.80 : x
  2. Step 2: Convert to fraction form
    101,309,234.40/152,038,501.20 = 40,768,408.80/x
  3. Step 3: Cross multiply
    101,309,234.40x = 152,038,501.20 × 40,768,408.80
  4. Step 4: Simplify right side
    101,309,234.40x = 6,198,367,770,260,890
  5. Step 5: Solve for x
    x = 6,198,367,770,260,890/101,309,234.40
  6. Step 6: Final answer
    x = 61,182,653.36

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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.