Home / 318,474,710.54-477,739,652.78-97,195,832.69

Finding the Fourth Proportional to 318,474,710.54, 477,739,652.78 and 97,195,832.69

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Solution

The fourth proportional to 318,474,710.54, 477,739,652.78 and 97,195,832.69 is: 145,802,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,474,710.54 : 477,739,652.78 = 97,195,832.69 : x
  2. Step 2: Convert to fraction form
    318,474,710.54/477,739,652.78 = 97,195,832.69/x
  3. Step 3: Cross multiply
    318,474,710.54x = 477,739,652.78 × 97,195,832.69
  4. Step 4: Simplify right side
    318,474,710.54x = 46,434,303,362,420,912
  5. Step 5: Solve for x
    x = 46,434,303,362,420,912/318,474,710.54
  6. Step 6: Final answer
    x = 145,802,168.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.