Home / 75,954,647.08-113,743,013.82-53,128,665.64

Finding the Fourth Proportional to 75,954,647.08, 113,743,013.82 and 53,128,665.64

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Solution

The fourth proportional to 75,954,647.08, 113,743,013.82 and 53,128,665.64 is: 79,560,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,954,647.08 : 113,743,013.82 = 53,128,665.64 : x
  2. Step 2: Convert to fraction form
    75,954,647.08/113,743,013.82 = 53,128,665.64/x
  3. Step 3: Cross multiply
    75,954,647.08x = 113,743,013.82 × 53,128,665.64
  4. Step 4: Simplify right side
    75,954,647.08x = 6,043,014,550,128,679
  5. Step 5: Solve for x
    x = 6,043,014,550,128,679/75,954,647.08
  6. Step 6: Final answer
    x = 79,560,827.18

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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.