Home / 268,330,238.17-370,296,982.67-152,443,093.21

Finding the Fourth Proportional to 268,330,238.17, 370,296,982.67 and 152,443,093.21

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Solution

The fourth proportional to 268,330,238.17, 370,296,982.67 and 152,443,093.21 is: 210,372,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,330,238.17 : 370,296,982.67 = 152,443,093.21 : x
  2. Step 2: Convert to fraction form
    268,330,238.17/370,296,982.67 = 152,443,093.21/x
  3. Step 3: Cross multiply
    268,330,238.17x = 370,296,982.67 × 152,443,093.21
  4. Step 4: Simplify right side
    268,330,238.17x = 56,449,217,443,782,352
  5. Step 5: Solve for x
    x = 56,449,217,443,782,352/268,330,238.17
  6. Step 6: Final answer
    x = 210,372,181.04

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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.