Home / 297,173,626.96-445,783,898.02-78,824,033.58

Finding the Fourth Proportional to 297,173,626.96, 445,783,898.02 and 78,824,033.58

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Solution

The fourth proportional to 297,173,626.96, 445,783,898.02 and 78,824,033.58 is: 118,242,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,173,626.96 : 445,783,898.02 = 78,824,033.58 : x
  2. Step 2: Convert to fraction form
    297,173,626.96/445,783,898.02 = 78,824,033.58/x
  3. Step 3: Cross multiply
    297,173,626.96x = 445,783,898.02 × 78,824,033.58
  4. Step 4: Simplify right side
    297,173,626.96x = 35,138,484,946,951,772
  5. Step 5: Solve for x
    x = 35,138,484,946,951,772/297,173,626.96
  6. Step 6: Final answer
    x = 118,242,272.39

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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.