Home / 124,404,719.20-186,470,221.20-43,584,085.60

Finding the Fourth Proportional to 124,404,719.20, 186,470,221.20 and 43,584,085.60

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Solution

The fourth proportional to 124,404,719.20, 186,470,221.20 and 43,584,085.60 is: 65,328,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,404,719.20 : 186,470,221.20 = 43,584,085.60 : x
  2. Step 2: Convert to fraction form
    124,404,719.20/186,470,221.20 = 43,584,085.60/x
  3. Step 3: Cross multiply
    124,404,719.20x = 186,470,221.20 × 43,584,085.60
  4. Step 4: Simplify right side
    124,404,719.20x = 8,127,134,082,631,734
  5. Step 5: Solve for x
    x = 8,127,134,082,631,734/124,404,719.20
  6. Step 6: Final answer
    x = 65,328,181.56

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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.