Home / 262,560,170.87-393,908,351.29-139,637,408.30

Finding the Fourth Proportional to 262,560,170.87, 393,908,351.29 and 139,637,408.30

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Solution

The fourth proportional to 262,560,170.87, 393,908,351.29 and 139,637,408.30 is: 209,492,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,560,170.87 : 393,908,351.29 = 139,637,408.30 : x
  2. Step 2: Convert to fraction form
    262,560,170.87/393,908,351.29 = 139,637,408.30/x
  3. Step 3: Cross multiply
    262,560,170.87x = 393,908,351.29 × 139,637,408.30
  4. Step 4: Simplify right side
    262,560,170.87x = 55,004,341,282,148,152
  5. Step 5: Solve for x
    x = 55,004,341,282,148,152/262,560,170.87
  6. Step 6: Final answer
    x = 209,492,327.41

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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.