Home / 75,899,642.98-113,856,412.37-21,311,860.67

Finding the Fourth Proportional to 75,899,642.98, 113,856,412.37 and 21,311,860.67

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Solution

The fourth proportional to 75,899,642.98, 113,856,412.37 and 21,311,860.67 is: 31,969,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,899,642.98 : 113,856,412.37 = 21,311,860.67 : x
  2. Step 2: Convert to fraction form
    75,899,642.98/113,856,412.37 = 21,311,860.67/x
  3. Step 3: Cross multiply
    75,899,642.98x = 113,856,412.37 × 21,311,860.67
  4. Step 4: Simplify right side
    75,899,642.98x = 2,426,491,996,366,233
  5. Step 5: Solve for x
    x = 2,426,491,996,366,233/75,899,642.98
  6. Step 6: Final answer
    x = 31,969,741.90

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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.