Home / 80,901,913.95-121,339,584.90-34,831,379.77

Finding the Fourth Proportional to 80,901,913.95, 121,339,584.90 and 34,831,379.77

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Solution

The fourth proportional to 80,901,913.95, 121,339,584.90 and 34,831,379.77 is: 52,241,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901,913.95 : 121,339,584.90 = 34,831,379.77 : x
  2. Step 2: Convert to fraction form
    80,901,913.95/121,339,584.90 = 34,831,379.77/x
  3. Step 3: Cross multiply
    80,901,913.95x = 121,339,584.90 × 34,831,379.77
  4. Step 4: Simplify right side
    80,901,913.95x = 4,226,425,162,503,765
  5. Step 5: Solve for x
    x = 4,226,425,162,503,765/80,901,913.95
  6. Step 6: Final answer
    x = 52,241,349.51

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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.