Home / 200,484,434.76-300,726,909.75-54,919,276.44

Finding the Fourth Proportional to 200,484,434.76, 300,726,909.75 and 54,919,276.44

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Solution

The fourth proportional to 200,484,434.76, 300,726,909.75 and 54,919,276.44 is: 82,378,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,484,434.76 : 300,726,909.75 = 54,919,276.44 : x
  2. Step 2: Convert to fraction form
    200,484,434.76/300,726,909.75 = 54,919,276.44/x
  3. Step 3: Cross multiply
    200,484,434.76x = 300,726,909.75 × 54,919,276.44
  4. Step 4: Simplify right side
    200,484,434.76x = 16,515,704,289,507,180
  5. Step 5: Solve for x
    x = 16,515,704,289,507,180/200,484,434.76
  6. Step 6: Final answer
    x = 82,378,985.23

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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.