Home / 55,519,399.28-76,619,165.72-30,739,586.67

Finding the Fourth Proportional to 55,519,399.28, 76,619,165.72 and 30,739,586.67

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Solution

The fourth proportional to 55,519,399.28, 76,619,165.72 and 30,739,586.67 is: 42,421,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,399.28 : 76,619,165.72 = 30,739,586.67 : x
  2. Step 2: Convert to fraction form
    55,519,399.28/76,619,165.72 = 30,739,586.67/x
  3. Step 3: Cross multiply
    55,519,399.28x = 76,619,165.72 × 30,739,586.67
  4. Step 4: Simplify right side
    55,519,399.28x = 2,355,241,485,079,335.50
  5. Step 5: Solve for x
    x = 2,355,241,485,079,335.50/55,519,399.28
  6. Step 6: Final answer
    x = 42,421,955.49

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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.