Home / 238,328,729.87-328,921,202.39-139,234,248

Finding the Fourth Proportional to 238,328,729.87, 328,921,202.39 and 139,234,248

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Solution

The fourth proportional to 238,328,729.87, 328,921,202.39 and 139,234,248 is: 192,159,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,328,729.87 : 328,921,202.39 = 139,234,248 : x
  2. Step 2: Convert to fraction form
    238,328,729.87/328,921,202.39 = 139,234,248/x
  3. Step 3: Cross multiply
    238,328,729.87x = 328,921,202.39 × 139,234,248
  4. Step 4: Simplify right side
    238,328,729.87x = 45,797,096,265,331,280
  5. Step 5: Solve for x
    x = 45,797,096,265,331,280/238,328,729.87
  6. Step 6: Final answer
    x = 192,159,360.27

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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.