Home / 100,950,348.47-139,311,579.44-54,540,639.29

Finding the Fourth Proportional to 100,950,348.47, 139,311,579.44 and 54,540,639.29

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Solution

The fourth proportional to 100,950,348.47, 139,311,579.44 and 54,540,639.29 is: 75,266,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,950,348.47 : 139,311,579.44 = 54,540,639.29 : x
  2. Step 2: Convert to fraction form
    100,950,348.47/139,311,579.44 = 54,540,639.29/x
  3. Step 3: Cross multiply
    100,950,348.47x = 139,311,579.44 × 54,540,639.29
  4. Step 4: Simplify right side
    100,950,348.47x = 7,598,142,603,641,850
  5. Step 5: Solve for x
    x = 7,598,142,603,641,850/100,950,348.47
  6. Step 6: Final answer
    x = 75,266,135.47

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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.