Home / 71,189,361.40-106,783,267.08-54,022,980.58

Finding the Fourth Proportional to 71,189,361.40, 106,783,267.08 and 54,022,980.58

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Solution

The fourth proportional to 71,189,361.40, 106,783,267.08 and 54,022,980.58 is: 81,033,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,361.40 : 106,783,267.08 = 54,022,980.58 : x
  2. Step 2: Convert to fraction form
    71,189,361.40/106,783,267.08 = 54,022,980.58/x
  3. Step 3: Cross multiply
    71,189,361.40x = 106,783,267.08 × 54,022,980.58
  4. Step 4: Simplify right side
    71,189,361.40x = 5,768,750,363,731,793
  5. Step 5: Solve for x
    x = 5,768,750,363,731,793/71,189,361.40
  6. Step 6: Final answer
    x = 81,033,882.74

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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.