Home / 45,648,380.95-62,958,034.24-40,129,956.65

Finding the Fourth Proportional to 45,648,380.95, 62,958,034.24 and 40,129,956.65

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Solution

The fourth proportional to 45,648,380.95, 62,958,034.24 and 40,129,956.65 is: 55,347,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648,380.95 : 62,958,034.24 = 40,129,956.65 : x
  2. Step 2: Convert to fraction form
    45,648,380.95/62,958,034.24 = 40,129,956.65/x
  3. Step 3: Cross multiply
    45,648,380.95x = 62,958,034.24 × 40,129,956.65
  4. Step 4: Simplify right side
    45,648,380.95x = 2,526,503,184,820,415.50
  5. Step 5: Solve for x
    x = 2,526,503,184,820,415.50/45,648,380.95
  6. Step 6: Final answer
    x = 55,347,049.17

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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.