Home / 161,607,296.89-223,018,750.74-91,043,753.73

Finding the Fourth Proportional to 161,607,296.89, 223,018,750.74 and 91,043,753.73

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Solution

The fourth proportional to 161,607,296.89, 223,018,750.74 and 91,043,753.73 is: 125,640,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607,296.89 : 223,018,750.74 = 91,043,753.73 : x
  2. Step 2: Convert to fraction form
    161,607,296.89/223,018,750.74 = 91,043,753.73/x
  3. Step 3: Cross multiply
    161,607,296.89x = 223,018,750.74 × 91,043,753.73
  4. Step 4: Simplify right side
    161,607,296.89x = 20,304,464,218,429,720
  5. Step 5: Solve for x
    x = 20,304,464,218,429,720/161,607,296.89
  6. Step 6: Final answer
    x = 125,640,763.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.