Home / 72,263,986.80-108,360,113.40-26,204,017.20

Finding the Fourth Proportional to 72,263,986.80, 108,360,113.40 and 26,204,017.20

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Solution

The fourth proportional to 72,263,986.80, 108,360,113.40 and 26,204,017.20 is: 39,293,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263,986.80 : 108,360,113.40 = 26,204,017.20 : x
  2. Step 2: Convert to fraction form
    72,263,986.80/108,360,113.40 = 26,204,017.20/x
  3. Step 3: Cross multiply
    72,263,986.80x = 108,360,113.40 × 26,204,017.20
  4. Step 4: Simplify right side
    72,263,986.80x = 2,839,470,275,327,550.50
  5. Step 5: Solve for x
    x = 2,839,470,275,327,550.50/72,263,986.80
  6. Step 6: Final answer
    x = 39,293,019.95

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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.