Home / 55,970,997.29-77,240,050.32-31,190,640.36

Finding the Fourth Proportional to 55,970,997.29, 77,240,050.32 and 31,190,640.36

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Solution

The fourth proportional to 55,970,997.29, 77,240,050.32 and 31,190,640.36 is: 43,043,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,970,997.29 : 77,240,050.32 = 31,190,640.36 : x
  2. Step 2: Convert to fraction form
    55,970,997.29/77,240,050.32 = 31,190,640.36/x
  3. Step 3: Cross multiply
    55,970,997.29x = 77,240,050.32 × 31,190,640.36
  4. Step 4: Simplify right side
    55,970,997.29x = 2,409,166,630,788,566.50
  5. Step 5: Solve for x
    x = 2,409,166,630,788,566.50/55,970,997.29
  6. Step 6: Final answer
    x = 43,043,124.96

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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.