Home / 86,940,019.80-130,410,029.70-46,629,235.80

Finding the Fourth Proportional to 86,940,019.80, 130,410,029.70 and 46,629,235.80

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Solution

The fourth proportional to 86,940,019.80, 130,410,029.70 and 46,629,235.80 is: 69,943,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,940,019.80 : 130,410,029.70 = 46,629,235.80 : x
  2. Step 2: Convert to fraction form
    86,940,019.80/130,410,029.70 = 46,629,235.80/x
  3. Step 3: Cross multiply
    86,940,019.80x = 130,410,029.70 × 46,629,235.80
  4. Step 4: Simplify right side
    86,940,019.80x = 6,080,920,025,566,303
  5. Step 5: Solve for x
    x = 6,080,920,025,566,303/86,940,019.80
  6. Step 6: Final answer
    x = 69,943,853.70

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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.