Home / 138,567,424.60-207,900,903.30-133,590,784.60

Finding the Fourth Proportional to 138,567,424.60, 207,900,903.30 and 133,590,784.60

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Solution

The fourth proportional to 138,567,424.60, 207,900,903.30 and 133,590,784.60 is: 200,434,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,567,424.60 : 207,900,903.30 = 133,590,784.60 : x
  2. Step 2: Convert to fraction form
    138,567,424.60/207,900,903.30 = 133,590,784.60/x
  3. Step 3: Cross multiply
    138,567,424.60x = 207,900,903.30 × 133,590,784.60
  4. Step 4: Simplify right side
    138,567,424.60x = 27,773,644,790,895,728
  5. Step 5: Solve for x
    x = 27,773,644,790,895,728/138,567,424.60
  6. Step 6: Final answer
    x = 200,434,155.94

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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.