Home / 64,996,695.64-89,643,137.34-57,139,408.54

Finding the Fourth Proportional to 64,996,695.64, 89,643,137.34 and 57,139,408.54

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Solution

The fourth proportional to 64,996,695.64, 89,643,137.34 and 57,139,408.54 is: 78,806,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,996,695.64 : 89,643,137.34 = 57,139,408.54 : x
  2. Step 2: Convert to fraction form
    64,996,695.64/89,643,137.34 = 57,139,408.54/x
  3. Step 3: Cross multiply
    64,996,695.64x = 89,643,137.34 × 57,139,408.54
  4. Step 4: Simplify right side
    64,996,695.64x = 5,122,155,847,277,589
  5. Step 5: Solve for x
    x = 5,122,155,847,277,589/64,996,695.64
  6. Step 6: Final answer
    x = 78,806,403.88

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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.