Home / 85,310,116.41-117,731,298.51-50,023,017.21

Finding the Fourth Proportional to 85,310,116.41, 117,731,298.51 and 50,023,017.21

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Solution

The fourth proportional to 85,310,116.41, 117,731,298.51 and 50,023,017.21 is: 69,033,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,310,116.41 : 117,731,298.51 = 50,023,017.21 : x
  2. Step 2: Convert to fraction form
    85,310,116.41/117,731,298.51 = 50,023,017.21/x
  3. Step 3: Cross multiply
    85,310,116.41x = 117,731,298.51 × 50,023,017.21
  4. Step 4: Simplify right side
    85,310,116.41x = 5,889,274,771,521,378
  5. Step 5: Solve for x
    x = 5,889,274,771,521,378/85,310,116.41
  6. Step 6: Final answer
    x = 69,033,720.96

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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.