Home / 204,768,001.20-307,152,001.80-135,893,247.60

Finding the Fourth Proportional to 204,768,001.20, 307,152,001.80 and 135,893,247.60

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Solution

The fourth proportional to 204,768,001.20, 307,152,001.80 and 135,893,247.60 is: 203,839,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,768,001.20 : 307,152,001.80 = 135,893,247.60 : x
  2. Step 2: Convert to fraction form
    204,768,001.20/307,152,001.80 = 135,893,247.60/x
  3. Step 3: Cross multiply
    204,768,001.20x = 307,152,001.80 × 135,893,247.60
  4. Step 4: Simplify right side
    204,768,001.20x = 41,739,883,031,443,048
  5. Step 5: Solve for x
    x = 41,739,883,031,443,048/204,768,001.20
  6. Step 6: Final answer
    x = 203,839,871.40

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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.