Home / 131,211,355.96-196,822,412.88-45,009,044.56

Finding the Fourth Proportional to 131,211,355.96, 196,822,412.88 and 45,009,044.56

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Solution

The fourth proportional to 131,211,355.96, 196,822,412.88 and 45,009,044.56 is: 67,515,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,211,355.96 : 196,822,412.88 = 45,009,044.56 : x
  2. Step 2: Convert to fraction form
    131,211,355.96/196,822,412.88 = 45,009,044.56/x
  3. Step 3: Cross multiply
    131,211,355.96x = 196,822,412.88 × 45,009,044.56
  4. Step 4: Simplify right side
    131,211,355.96x = 8,858,788,751,722,638
  5. Step 5: Solve for x
    x = 8,858,788,751,722,638/131,211,355.96
  6. Step 6: Final answer
    x = 67,515,411.96

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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.