Home / 55,185,122.56-76,157,819.04-30,738,830.08

Finding the Fourth Proportional to 55,185,122.56, 76,157,819.04 and 30,738,830.08

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Solution

The fourth proportional to 55,185,122.56, 76,157,819.04 and 30,738,830.08 is: 42,420,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185,122.56 : 76,157,819.04 = 30,738,830.08 : x
  2. Step 2: Convert to fraction form
    55,185,122.56/76,157,819.04 = 30,738,830.08/x
  3. Step 3: Cross multiply
    55,185,122.56x = 76,157,819.04 × 30,738,830.08
  4. Step 4: Simplify right side
    55,185,122.56x = 2,341,002,258,733,949
  5. Step 5: Solve for x
    x = 2,341,002,258,733,949/55,185,122.56
  6. Step 6: Final answer
    x = 42,420,894.44

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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.