Home / 80,130,607.50-110,580,245.64-45,322,548.78

Finding the Fourth Proportional to 80,130,607.50, 110,580,245.64 and 45,322,548.78

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Solution

The fourth proportional to 80,130,607.50, 110,580,245.64 and 45,322,548.78 is: 62,545,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,130,607.50 : 110,580,245.64 = 45,322,548.78 : x
  2. Step 2: Convert to fraction form
    80,130,607.50/110,580,245.64 = 45,322,548.78/x
  3. Step 3: Cross multiply
    80,130,607.50x = 110,580,245.64 × 45,322,548.78
  4. Step 4: Simplify right side
    80,130,607.50x = 5,011,778,577,123,282
  5. Step 5: Solve for x
    x = 5,011,778,577,123,282/80,130,607.50
  6. Step 6: Final answer
    x = 62,545,121.44

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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.