Home / 78,820,483.56-108,770,085.12-43,537,656.36

Finding the Fourth Proportional to 78,820,483.56, 108,770,085.12 and 43,537,656.36

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Solution

The fourth proportional to 78,820,483.56, 108,770,085.12 and 43,537,656.36 is: 60,080,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,820,483.56 : 108,770,085.12 = 43,537,656.36 : x
  2. Step 2: Convert to fraction form
    78,820,483.56/108,770,085.12 = 43,537,656.36/x
  3. Step 3: Cross multiply
    78,820,483.56x = 108,770,085.12 × 43,537,656.36
  4. Step 4: Simplify right side
    78,820,483.56x = 4,735,594,588,202,510
  5. Step 5: Solve for x
    x = 4,735,594,588,202,510/78,820,483.56
  6. Step 6: Final answer
    x = 60,080,760.41

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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.