Home / 193,290,548.61-266,740,996.55-106,370,420.61

Finding the Fourth Proportional to 193,290,548.61, 266,740,996.55 and 106,370,420.61

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Solution

The fourth proportional to 193,290,548.61, 266,740,996.55 and 106,370,420.61 is: 146,791,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,290,548.61 : 266,740,996.55 = 106,370,420.61 : x
  2. Step 2: Convert to fraction form
    193,290,548.61/266,740,996.55 = 106,370,420.61/x
  3. Step 3: Cross multiply
    193,290,548.61x = 266,740,996.55 × 106,370,420.61
  4. Step 4: Simplify right side
    193,290,548.61x = 28,373,351,996,422,204
  5. Step 5: Solve for x
    x = 28,373,351,996,422,204/193,290,548.61
  6. Step 6: Final answer
    x = 146,791,202.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.