Home / 86,821,806.87-130,062,448.53-50,353,603.74

Finding the Fourth Proportional to 86,821,806.87, 130,062,448.53 and 50,353,603.74

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Solution

The fourth proportional to 86,821,806.87, 130,062,448.53 and 50,353,603.74 is: 75,431,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,821,806.87 : 130,062,448.53 = 50,353,603.74 : x
  2. Step 2: Convert to fraction form
    86,821,806.87/130,062,448.53 = 50,353,603.74/x
  3. Step 3: Cross multiply
    86,821,806.87x = 130,062,448.53 × 50,353,603.74
  4. Step 4: Simplify right side
    86,821,806.87x = 6,549,112,994,733,766
  5. Step 5: Solve for x
    x = 6,549,112,994,733,766/86,821,806.87
  6. Step 6: Final answer
    x = 75,431,659.75

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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.