Home / 123,035,811.20-184,404,417.60-54,806,076.80

Finding the Fourth Proportional to 123,035,811.20, 184,404,417.60 and 54,806,076.80

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Solution

The fourth proportional to 123,035,811.20, 184,404,417.60 and 54,806,076.80 is: 82,142,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,035,811.20 : 184,404,417.60 = 54,806,076.80 : x
  2. Step 2: Convert to fraction form
    123,035,811.20/184,404,417.60 = 54,806,076.80/x
  3. Step 3: Cross multiply
    123,035,811.20x = 184,404,417.60 × 54,806,076.80
  4. Step 4: Simplify right side
    123,035,811.20x = 10,106,482,673,244,870
  5. Step 5: Solve for x
    x = 10,106,482,673,244,870/123,035,811.20
  6. Step 6: Final answer
    x = 82,142,610.14

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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.