Home / 196,992,507.20-295,488,760.80-166,381,505.60

Finding the Fourth Proportional to 196,992,507.20, 295,488,760.80 and 166,381,505.60

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Solution

The fourth proportional to 196,992,507.20, 295,488,760.80 and 166,381,505.60 is: 249,572,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,507.20 : 295,488,760.80 = 166,381,505.60 : x
  2. Step 2: Convert to fraction form
    196,992,507.20/295,488,760.80 = 166,381,505.60/x
  3. Step 3: Cross multiply
    196,992,507.20x = 295,488,760.80 × 166,381,505.60
  4. Step 4: Simplify right side
    196,992,507.20x = 49,163,864,909,782,264
  5. Step 5: Solve for x
    x = 49,163,864,909,782,264/196,992,507.20
  6. Step 6: Final answer
    x = 249,572,258.40

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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.