Home / 124,933,974.40-187,400,961.60-73,789,667.20

Finding the Fourth Proportional to 124,933,974.40, 187,400,961.60 and 73,789,667.20

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Solution

The fourth proportional to 124,933,974.40, 187,400,961.60 and 73,789,667.20 is: 110,684,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,933,974.40 : 187,400,961.60 = 73,789,667.20 : x
  2. Step 2: Convert to fraction form
    124,933,974.40/187,400,961.60 = 73,789,667.20/x
  3. Step 3: Cross multiply
    124,933,974.40x = 187,400,961.60 × 73,789,667.20
  4. Step 4: Simplify right side
    124,933,974.40x = 13,828,254,589,423,980
  5. Step 5: Solve for x
    x = 13,828,254,589,423,980/124,933,974.40
  6. Step 6: Final answer
    x = 110,684,500.80

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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.