Home / 68,905,939.20-103,374,901.44-23,468,127.36

Finding the Fourth Proportional to 68,905,939.20, 103,374,901.44 and 23,468,127.36

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Solution

The fourth proportional to 68,905,939.20, 103,374,901.44 and 23,468,127.36 is: 35,207,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905,939.20 : 103,374,901.44 = 23,468,127.36 : x
  2. Step 2: Convert to fraction form
    68,905,939.20/103,374,901.44 = 23,468,127.36/x
  3. Step 3: Cross multiply
    68,905,939.20x = 103,374,901.44 × 23,468,127.36
  4. Step 4: Simplify right side
    68,905,939.20x = 2,426,015,352,821,367.50
  5. Step 5: Solve for x
    x = 2,426,015,352,821,367.50/68,905,939.20
  6. Step 6: Final answer
    x = 35,207,637.85

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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.