Home / 77,941,993.77-116,938,955.22-26,131,723.20

Finding the Fourth Proportional to 77,941,993.77, 116,938,955.22 and 26,131,723.20

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Solution

The fourth proportional to 77,941,993.77, 116,938,955.22 and 26,131,723.20 is: 39,206,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,941,993.77 : 116,938,955.22 = 26,131,723.20 : x
  2. Step 2: Convert to fraction form
    77,941,993.77/116,938,955.22 = 26,131,723.20/x
  3. Step 3: Cross multiply
    77,941,993.77x = 116,938,955.22 × 26,131,723.20
  4. Step 4: Simplify right side
    77,941,993.77x = 3,055,816,409,106,235
  5. Step 5: Solve for x
    x = 3,055,816,409,106,235/77,941,993.77
  6. Step 6: Final answer
    x = 39,206,289.98

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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.