Home / 111,269,143.50-153,579,321.87-75,565,994.73

Finding the Fourth Proportional to 111,269,143.50, 153,579,321.87 and 75,565,994.73

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Solution

The fourth proportional to 111,269,143.50, 153,579,321.87 and 75,565,994.73 is: 104,300,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,269,143.50 : 153,579,321.87 = 75,565,994.73 : x
  2. Step 2: Convert to fraction form
    111,269,143.50/153,579,321.87 = 75,565,994.73/x
  3. Step 3: Cross multiply
    111,269,143.50x = 153,579,321.87 × 75,565,994.73
  4. Step 4: Simplify right side
    111,269,143.50x = 11,605,374,227,065,394
  5. Step 5: Solve for x
    x = 11,605,374,227,065,394/111,269,143.50
  6. Step 6: Final answer
    x = 104,300,023.01

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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.