Home / 291,575,817-402,383,025.54-161,204,023.08

Finding the Fourth Proportional to 291,575,817, 402,383,025.54 and 161,204,023.08

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Solution

The fourth proportional to 291,575,817, 402,383,025.54 and 161,204,023.08 is: 222,466,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,575,817 : 402,383,025.54 = 161,204,023.08 : x
  2. Step 2: Convert to fraction form
    291,575,817/402,383,025.54 = 161,204,023.08/x
  3. Step 3: Cross multiply
    291,575,817x = 402,383,025.54 × 161,204,023.08
  4. Step 4: Simplify right side
    291,575,817x = 64,865,762,536,150,400
  5. Step 5: Solve for x
    x = 64,865,762,536,150,400/291,575,817
  6. Step 6: Final answer
    x = 222,466,194.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.