Home / 56,028,878.91-77,319,956.06-31,250,662.85

Finding the Fourth Proportional to 56,028,878.91, 77,319,956.06 and 31,250,662.85

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Solution

The fourth proportional to 56,028,878.91, 77,319,956.06 and 31,250,662.85 is: 43,125,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,028,878.91 : 77,319,956.06 = 31,250,662.85 : x
  2. Step 2: Convert to fraction form
    56,028,878.91/77,319,956.06 = 31,250,662.85/x
  3. Step 3: Cross multiply
    56,028,878.91x = 77,319,956.06 × 31,250,662.85
  4. Step 4: Simplify right side
    56,028,878.91x = 2,416,299,878,407,874.50
  5. Step 5: Solve for x
    x = 2,416,299,878,407,874.50/56,028,878.91
  6. Step 6: Final answer
    x = 43,125,972.27

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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.