Home / 123,982,652.32-186,015,831.12-54,885,924.64

Finding the Fourth Proportional to 123,982,652.32, 186,015,831.12 and 54,885,924.64

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Solution

The fourth proportional to 123,982,652.32, 186,015,831.12 and 54,885,924.64 is: 82,347,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,982,652.32 : 186,015,831.12 = 54,885,924.64 : x
  2. Step 2: Convert to fraction form
    123,982,652.32/186,015,831.12 = 54,885,924.64/x
  3. Step 3: Cross multiply
    123,982,652.32x = 186,015,831.12 × 54,885,924.64
  4. Step 4: Simplify right side
    123,982,652.32x = 10,209,650,888,699,288
  5. Step 5: Solve for x
    x = 10,209,650,888,699,288/123,982,652.32
  6. Step 6: Final answer
    x = 82,347,414.72

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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.