Home / 135,919,722.40-203,879,583.60-40,181,610.40

Finding the Fourth Proportional to 135,919,722.40, 203,879,583.60 and 40,181,610.40

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Solution

The fourth proportional to 135,919,722.40, 203,879,583.60 and 40,181,610.40 is: 60,272,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,919,722.40 : 203,879,583.60 = 40,181,610.40 : x
  2. Step 2: Convert to fraction form
    135,919,722.40/203,879,583.60 = 40,181,610.40/x
  3. Step 3: Cross multiply
    135,919,722.40x = 203,879,583.60 × 40,181,610.40
  4. Step 4: Simplify right side
    135,919,722.40x = 8,192,209,996,729,429
  5. Step 5: Solve for x
    x = 8,192,209,996,729,429/135,919,722.40
  6. Step 6: Final answer
    x = 60,272,415.60

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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.