Home / 85,310,118.41-117,731,301.27-50,023,019.21

Finding the Fourth Proportional to 85,310,118.41, 117,731,301.27 and 50,023,019.21

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Solution

The fourth proportional to 85,310,118.41, 117,731,301.27 and 50,023,019.21 is: 69,033,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,310,118.41 : 117,731,301.27 = 50,023,019.21 : x
  2. Step 2: Convert to fraction form
    85,310,118.41/117,731,301.27 = 50,023,019.21/x
  3. Step 3: Cross multiply
    85,310,118.41x = 117,731,301.27 × 50,023,019.21
  4. Step 4: Simplify right side
    85,310,118.41x = 5,889,275,145,047,507
  5. Step 5: Solve for x
    x = 5,889,275,145,047,507/85,310,118.41
  6. Step 6: Final answer
    x = 69,033,723.72

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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.