Home / 86,940,074.80-130,410,112.20-61,430,906.80

Finding the Fourth Proportional to 86,940,074.80, 130,410,112.20 and 61,430,906.80

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Solution

The fourth proportional to 86,940,074.80, 130,410,112.20 and 61,430,906.80 is: 92,146,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,940,074.80 : 130,410,112.20 = 61,430,906.80 : x
  2. Step 2: Convert to fraction form
    86,940,074.80/130,410,112.20 = 61,430,906.80/x
  3. Step 3: Cross multiply
    86,940,074.80x = 130,410,112.20 × 61,430,906.80
  4. Step 4: Simplify right side
    86,940,074.80x = 8,011,211,448,335,743
  5. Step 5: Solve for x
    x = 8,011,211,448,335,743/86,940,074.80
  6. Step 6: Final answer
    x = 92,146,360.20

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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.