Home / 77,278,003.60-115,917,005.40-36,967,219.60

Finding the Fourth Proportional to 77,278,003.60, 115,917,005.40 and 36,967,219.60

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Solution

The fourth proportional to 77,278,003.60, 115,917,005.40 and 36,967,219.60 is: 55,450,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278,003.60 : 115,917,005.40 = 36,967,219.60 : x
  2. Step 2: Convert to fraction form
    77,278,003.60/115,917,005.40 = 36,967,219.60/x
  3. Step 3: Cross multiply
    77,278,003.60x = 115,917,005.40 × 36,967,219.60
  4. Step 4: Simplify right side
    77,278,003.60x = 4,285,129,393,996,186
  5. Step 5: Solve for x
    x = 4,285,129,393,996,186/77,278,003.60
  6. Step 6: Final answer
    x = 55,450,829.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.