Home / 196,648,209.60-295,308,237.60-128,791,723.20

Finding the Fourth Proportional to 196,648,209.60, 295,308,237.60 and 128,791,723.20

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Solution

The fourth proportional to 196,648,209.60, 295,308,237.60 and 128,791,723.20 is: 193,407,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,648,209.60 : 295,308,237.60 = 128,791,723.20 : x
  2. Step 2: Convert to fraction form
    196,648,209.60/295,308,237.60 = 128,791,723.20/x
  3. Step 3: Cross multiply
    196,648,209.60x = 295,308,237.60 × 128,791,723.20
  4. Step 4: Simplify right side
    196,648,209.60x = 38,033,256,795,659,040
  5. Step 5: Solve for x
    x = 38,033,256,795,659,040/196,648,209.60
  6. Step 6: Final answer
    x = 193,407,592.54

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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.