Home / 55,295,278.95-76,336,171.32-40,393,870.55

Finding the Fourth Proportional to 55,295,278.95, 76,336,171.32 and 40,393,870.55

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Solution

The fourth proportional to 55,295,278.95, 76,336,171.32 and 40,393,870.55 is: 55,764,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295,278.95 : 76,336,171.32 = 40,393,870.55 : x
  2. Step 2: Convert to fraction form
    55,295,278.95/76,336,171.32 = 40,393,870.55/x
  3. Step 3: Cross multiply
    55,295,278.95x = 76,336,171.32 × 40,393,870.55
  4. Step 4: Simplify right side
    55,295,278.95x = 3,083,513,422,201,021.50
  5. Step 5: Solve for x
    x = 3,083,513,422,201,021.50/55,295,278.95
  6. Step 6: Final answer
    x = 55,764,497.09

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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.