Home / 281,899,371.53-389,016,359.54-158,137,391.45

Finding the Fourth Proportional to 281,899,371.53, 389,016,359.54 and 158,137,391.45

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Solution

The fourth proportional to 281,899,371.53, 389,016,359.54 and 158,137,391.45 is: 218,226,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,899,371.53 : 389,016,359.54 = 158,137,391.45 : x
  2. Step 2: Convert to fraction form
    281,899,371.53/389,016,359.54 = 158,137,391.45/x
  3. Step 3: Cross multiply
    281,899,371.53x = 389,016,359.54 × 158,137,391.45
  4. Step 4: Simplify right side
    281,899,371.53x = 61,518,032,326,295,152
  5. Step 5: Solve for x
    x = 61,518,032,326,295,152/281,899,371.53
  6. Step 6: Final answer
    x = 218,226,922.58

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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.