Home / 138,567,425.60-207,900,904.80-133,590,785.60

Finding the Fourth Proportional to 138,567,425.60, 207,900,904.80 and 133,590,785.60

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Solution

The fourth proportional to 138,567,425.60, 207,900,904.80 and 133,590,785.60 is: 200,434,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,567,425.60 : 207,900,904.80 = 133,590,785.60 : x
  2. Step 2: Convert to fraction form
    138,567,425.60/207,900,904.80 = 133,590,785.60/x
  3. Step 3: Cross multiply
    138,567,425.60x = 207,900,904.80 × 133,590,785.60
  4. Step 4: Simplify right side
    138,567,425.60x = 27,773,645,199,182,812
  5. Step 5: Solve for x
    x = 27,773,645,199,182,812/138,567,425.60
  6. Step 6: Final answer
    x = 200,434,157.44

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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.