Home / 51,186,008.40-76,629,713.40-45,811,237.20

Finding the Fourth Proportional to 51,186,008.40, 76,629,713.40 and 45,811,237.20

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Solution

The fourth proportional to 51,186,008.40, 76,629,713.40 and 45,811,237.20 is: 68,583,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186,008.40 : 76,629,713.40 = 45,811,237.20 : x
  2. Step 2: Convert to fraction form
    51,186,008.40/76,629,713.40 = 45,811,237.20/x
  3. Step 3: Cross multiply
    51,186,008.40x = 76,629,713.40 × 45,811,237.20
  4. Step 4: Simplify right side
    51,186,008.40x = 3,510,501,977,135,419
  5. Step 5: Solve for x
    x = 3,510,501,977,135,419/51,186,008.40
  6. Step 6: Final answer
    x = 68,583,233.72

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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.