Home / 78,732,012.45-108,650,245.29-43,924,710.06

Finding the Fourth Proportional to 78,732,012.45, 108,650,245.29 and 43,924,710.06

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Solution

The fourth proportional to 78,732,012.45, 108,650,245.29 and 43,924,710.06 is: 60,616,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,012.45 : 108,650,245.29 = 43,924,710.06 : x
  2. Step 2: Convert to fraction form
    78,732,012.45/108,650,245.29 = 43,924,710.06/x
  3. Step 3: Cross multiply
    78,732,012.45x = 108,650,245.29 × 43,924,710.06
  4. Step 4: Simplify right side
    78,732,012.45x = 4,772,430,522,311,131
  5. Step 5: Solve for x
    x = 4,772,430,522,311,131/78,732,012.45
  6. Step 6: Final answer
    x = 60,616,137.88

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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.