Home / 129,084,975.20-193,627,462.80-113,464,546.40

Finding the Fourth Proportional to 129,084,975.20, 193,627,462.80 and 113,464,546.40

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Solution

The fourth proportional to 129,084,975.20, 193,627,462.80 and 113,464,546.40 is: 170,196,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,084,975.20 : 193,627,462.80 = 113,464,546.40 : x
  2. Step 2: Convert to fraction form
    129,084,975.20/193,627,462.80 = 113,464,546.40/x
  3. Step 3: Cross multiply
    129,084,975.20x = 193,627,462.80 × 113,464,546.40
  4. Step 4: Simplify right side
    129,084,975.20x = 21,969,852,237,184,876
  5. Step 5: Solve for x
    x = 21,969,852,237,184,876/129,084,975.20
  6. Step 6: Final answer
    x = 170,196,819.60

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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.