Home / 78,951,099.66-108,919,155.15-52,854,025.56

Finding the Fourth Proportional to 78,951,099.66, 108,919,155.15 and 52,854,025.56

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Solution

The fourth proportional to 78,951,099.66, 108,919,155.15 and 52,854,025.56 is: 72,916,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,951,099.66 : 108,919,155.15 = 52,854,025.56 : x
  2. Step 2: Convert to fraction form
    78,951,099.66/108,919,155.15 = 52,854,025.56/x
  3. Step 3: Cross multiply
    78,951,099.66x = 108,919,155.15 × 52,854,025.56
  4. Step 4: Simplify right side
    78,951,099.66x = 5,756,815,810,271,706
  5. Step 5: Solve for x
    x = 5,756,815,810,271,706/78,951,099.66
  6. Step 6: Final answer
    x = 72,916,220.74

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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.