Home / 55,507,586.46-76,601,075.36-30,728,187.21

Finding the Fourth Proportional to 55,507,586.46, 76,601,075.36 and 30,728,187.21

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Solution

The fourth proportional to 55,507,586.46, 76,601,075.36 and 30,728,187.21 is: 42,405,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507,586.46 : 76,601,075.36 = 30,728,187.21 : x
  2. Step 2: Convert to fraction form
    55,507,586.46/76,601,075.36 = 30,728,187.21/x
  3. Step 3: Cross multiply
    55,507,586.46x = 76,601,075.36 × 30,728,187.21
  4. Step 4: Simplify right side
    55,507,586.46x = 2,353,812,184,326,893.50
  5. Step 5: Solve for x
    x = 2,353,812,184,326,893.50/55,507,586.46
  6. Step 6: Final answer
    x = 42,405,233.85

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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.