Home / 143,023,018.65-214,536,496.32-40,787,067.21

Finding the Fourth Proportional to 143,023,018.65, 214,536,496.32 and 40,787,067.21

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Solution

The fourth proportional to 143,023,018.65, 214,536,496.32 and 40,787,067.21 is: 61,181,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,023,018.65 : 214,536,496.32 = 40,787,067.21 : x
  2. Step 2: Convert to fraction form
    143,023,018.65/214,536,496.32 = 40,787,067.21/x
  3. Step 3: Cross multiply
    143,023,018.65x = 214,536,496.32 × 40,787,067.21
  4. Step 4: Simplify right side
    143,023,018.65x = 8,750,314,494,401,758
  5. Step 5: Solve for x
    x = 8,750,314,494,401,758/143,023,018.65
  6. Step 6: Final answer
    x = 61,181,162.14

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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.