Home / 297,173,625.96-445,783,896.52-78,824,032.58

Finding the Fourth Proportional to 297,173,625.96, 445,783,896.52 and 78,824,032.58

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Solution

The fourth proportional to 297,173,625.96, 445,783,896.52 and 78,824,032.58 is: 118,242,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,173,625.96 : 445,783,896.52 = 78,824,032.58 : x
  2. Step 2: Convert to fraction form
    297,173,625.96/445,783,896.52 = 78,824,032.58/x
  3. Step 3: Cross multiply
    297,173,625.96x = 445,783,896.52 × 78,824,032.58
  4. Step 4: Simplify right side
    297,173,625.96x = 35,138,484,382,931,828
  5. Step 5: Solve for x
    x = 35,138,484,382,931,828/297,173,625.96
  6. Step 6: Final answer
    x = 118,242,270.89

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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.