Home / 245,449,890.35-338,728,047.32-133,947,930.53

Finding the Fourth Proportional to 245,449,890.35, 338,728,047.32 and 133,947,930.53

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Solution

The fourth proportional to 245,449,890.35, 338,728,047.32 and 133,947,930.53 is: 184,852,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,449,890.35 : 338,728,047.32 = 133,947,930.53 : x
  2. Step 2: Convert to fraction form
    245,449,890.35/338,728,047.32 = 133,947,930.53/x
  3. Step 3: Cross multiply
    245,449,890.35x = 338,728,047.32 × 133,947,930.53
  4. Step 4: Simplify right side
    245,449,890.35x = 45,371,920,950,834,040
  5. Step 5: Solve for x
    x = 45,371,920,950,834,040/245,449,890.35
  6. Step 6: Final answer
    x = 184,852,072.60

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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.