Home / 262,560,171.34-393,908,351.99-139,637,408.77

Finding the Fourth Proportional to 262,560,171.34, 393,908,351.99 and 139,637,408.77

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Solution

The fourth proportional to 262,560,171.34, 393,908,351.99 and 139,637,408.77 is: 209,492,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,560,171.34 : 393,908,351.99 = 139,637,408.77 : x
  2. Step 2: Convert to fraction form
    262,560,171.34/393,908,351.99 = 139,637,408.77/x
  3. Step 3: Cross multiply
    262,560,171.34x = 393,908,351.99 × 139,637,408.77
  4. Step 4: Simplify right side
    262,560,171.34x = 55,004,341,564,744,680
  5. Step 5: Solve for x
    x = 55,004,341,564,744,680/262,560,171.34
  6. Step 6: Final answer
    x = 209,492,328.12

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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.