Home / 71,854,513.11-107,780,213.39-20,037,733.11

Finding the Fourth Proportional to 71,854,513.11, 107,780,213.39 and 20,037,733.11

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Solution

The fourth proportional to 71,854,513.11, 107,780,213.39 and 20,037,733.11 is: 30,056,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,854,513.11 : 107,780,213.39 = 20,037,733.11 : x
  2. Step 2: Convert to fraction form
    71,854,513.11/107,780,213.39 = 20,037,733.11/x
  3. Step 3: Cross multiply
    71,854,513.11x = 107,780,213.39 × 20,037,733.11
  4. Step 4: Simplify right side
    71,854,513.11x = 2,159,671,150,347,479.75
  5. Step 5: Solve for x
    x = 2,159,671,150,347,479.75/71,854,513.11
  6. Step 6: Final answer
    x = 30,056,165.67

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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.