Home / 74,302,023.20-111,453,034.80-19,714,503.20

Finding the Fourth Proportional to 74,302,023.20, 111,453,034.80 and 19,714,503.20

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Solution

The fourth proportional to 74,302,023.20, 111,453,034.80 and 19,714,503.20 is: 29,571,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302,023.20 : 111,453,034.80 = 19,714,503.20 : x
  2. Step 2: Convert to fraction form
    74,302,023.20/111,453,034.80 = 19,714,503.20/x
  3. Step 3: Cross multiply
    74,302,023.20x = 111,453,034.80 × 19,714,503.20
  4. Step 4: Simplify right side
    74,302,023.20x = 2,197,241,211,214,311.25
  5. Step 5: Solve for x
    x = 2,197,241,211,214,311.25/74,302,023.20
  6. Step 6: Final answer
    x = 29,571,754.80

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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.