Home / 83,655,163.37-115,408,311.22-52,238,669.60

Finding the Fourth Proportional to 83,655,163.37, 115,408,311.22 and 52,238,669.60

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Solution

The fourth proportional to 83,655,163.37, 115,408,311.22 and 52,238,669.60 is: 72,066,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,655,163.37 : 115,408,311.22 = 52,238,669.60 : x
  2. Step 2: Convert to fraction form
    83,655,163.37/115,408,311.22 = 52,238,669.60/x
  3. Step 3: Cross multiply
    83,655,163.37x = 115,408,311.22 × 52,238,669.60
  4. Step 4: Simplify right side
    83,655,163.37x = 6,028,776,638,915,553
  5. Step 5: Solve for x
    x = 6,028,776,638,915,553/83,655,163.37
  6. Step 6: Final answer
    x = 72,066,999.76

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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.