Home / 131,487,118.56-197,257,578.48-45,214,320.96

Finding the Fourth Proportional to 131,487,118.56, 197,257,578.48 and 45,214,320.96

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Solution

The fourth proportional to 131,487,118.56, 197,257,578.48 and 45,214,320.96 is: 67,830,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,487,118.56 : 197,257,578.48 = 45,214,320.96 : x
  2. Step 2: Convert to fraction form
    131,487,118.56/197,257,578.48 = 45,214,320.96/x
  3. Step 3: Cross multiply
    131,487,118.56x = 197,257,578.48 × 45,214,320.96
  4. Step 4: Simplify right side
    131,487,118.56x = 8,918,867,465,187,109
  5. Step 5: Solve for x
    x = 8,918,867,465,187,109/131,487,118.56
  6. Step 6: Final answer
    x = 67,830,731.73

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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.