Home / 55,541,522.75-76,642,752.60-31,699,032.36

Finding the Fourth Proportional to 55,541,522.75, 76,642,752.60 and 31,699,032.36

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Solution

The fourth proportional to 55,541,522.75, 76,642,752.60 and 31,699,032.36 is: 43,742,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541,522.75 : 76,642,752.60 = 31,699,032.36 : x
  2. Step 2: Convert to fraction form
    55,541,522.75/76,642,752.60 = 31,699,032.36/x
  3. Step 3: Cross multiply
    55,541,522.75x = 76,642,752.60 × 31,699,032.36
  4. Step 4: Simplify right side
    55,541,522.75x = 2,429,501,094,826,874
  5. Step 5: Solve for x
    x = 2,429,501,094,826,874/55,541,522.75
  6. Step 6: Final answer
    x = 43,742,068.54

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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.