Home / 209,107,213.60-313,660,820.40-106,837,261.60

Finding the Fourth Proportional to 209,107,213.60, 313,660,820.40 and 106,837,261.60

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Solution

The fourth proportional to 209,107,213.60, 313,660,820.40 and 106,837,261.60 is: 160,255,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,107,213.60 : 313,660,820.40 = 106,837,261.60 : x
  2. Step 2: Convert to fraction form
    209,107,213.60/313,660,820.40 = 106,837,261.60/x
  3. Step 3: Cross multiply
    209,107,213.60x = 313,660,820.40 × 106,837,261.60
  4. Step 4: Simplify right side
    209,107,213.60x = 33,510,663,122,745,412
  5. Step 5: Solve for x
    x = 33,510,663,122,745,412/209,107,213.60
  6. Step 6: Final answer
    x = 160,255,892.40

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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.