Home / 85,802,394.57-118,296,165.59-55,573,107.86

Finding the Fourth Proportional to 85,802,394.57, 118,296,165.59 and 55,573,107.86

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Solution

The fourth proportional to 85,802,394.57, 118,296,165.59 and 55,573,107.86 is: 76,618,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,802,394.57 : 118,296,165.59 = 55,573,107.86 : x
  2. Step 2: Convert to fraction form
    85,802,394.57/118,296,165.59 = 55,573,107.86/x
  3. Step 3: Cross multiply
    85,802,394.57x = 118,296,165.59 × 55,573,107.86
  4. Step 4: Simplify right side
    85,802,394.57x = 6,574,085,568,888,143
  5. Step 5: Solve for x
    x = 6,574,085,568,888,143/85,802,394.57
  6. Step 6: Final answer
    x = 76,618,905.59

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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.