Home / 55,104,396.90-76,026,945.32-31,258,096.88

Finding the Fourth Proportional to 55,104,396.90, 76,026,945.32 and 31,258,096.88

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Solution

The fourth proportional to 55,104,396.90, 76,026,945.32 and 31,258,096.88 is: 43,126,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,104,396.90 : 76,026,945.32 = 31,258,096.88 : x
  2. Step 2: Convert to fraction form
    55,104,396.90/76,026,945.32 = 31,258,096.88/x
  3. Step 3: Cross multiply
    55,104,396.90x = 76,026,945.32 × 31,258,096.88
  4. Step 4: Simplify right side
    55,104,396.90x = 2,376,457,622,303,022.50
  5. Step 5: Solve for x
    x = 2,376,457,622,303,022.50/55,104,396.90
  6. Step 6: Final answer
    x = 43,126,460.97

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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.