Home / 131,873,414.90-197,769,636.70-91,194,263.55

Finding the Fourth Proportional to 131,873,414.90, 197,769,636.70 and 91,194,263.55

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Solution

The fourth proportional to 131,873,414.90, 197,769,636.70 and 91,194,263.55 is: 136,763,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,873,414.90 : 197,769,636.70 = 91,194,263.55 : x
  2. Step 2: Convert to fraction form
    131,873,414.90/197,769,636.70 = 91,194,263.55/x
  3. Step 3: Cross multiply
    131,873,414.90x = 197,769,636.70 × 91,194,263.55
  4. Step 4: Simplify right side
    131,873,414.90x = 18,035,456,371,179,564
  5. Step 5: Solve for x
    x = 18,035,456,371,179,564/131,873,414.90
  6. Step 6: Final answer
    x = 136,763,398.34

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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.