Home / 78,595,038.87-108,458,610.08-45,110,029.49

Finding the Fourth Proportional to 78,595,038.87, 108,458,610.08 and 45,110,029.49

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Solution

The fourth proportional to 78,595,038.87, 108,458,610.08 and 45,110,029.49 is: 62,250,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,595,038.87 : 108,458,610.08 = 45,110,029.49 : x
  2. Step 2: Convert to fraction form
    78,595,038.87/108,458,610.08 = 45,110,029.49/x
  3. Step 3: Cross multiply
    78,595,038.87x = 108,458,610.08 × 45,110,029.49
  4. Step 4: Simplify right side
    78,595,038.87x = 4,892,571,099,153,211
  5. Step 5: Solve for x
    x = 4,892,571,099,153,211/78,595,038.87
  6. Step 6: Final answer
    x = 62,250,380.81

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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.