Home / 281,899,373.52-389,016,362.32-158,137,393.44

Finding the Fourth Proportional to 281,899,373.52, 389,016,362.32 and 158,137,393.44

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Solution

The fourth proportional to 281,899,373.52, 389,016,362.32 and 158,137,393.44 is: 218,226,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,899,373.52 : 389,016,362.32 = 158,137,393.44 : x
  2. Step 2: Convert to fraction form
    281,899,373.52/389,016,362.32 = 158,137,393.44/x
  3. Step 3: Cross multiply
    281,899,373.52x = 389,016,362.32 × 158,137,393.44
  4. Step 4: Simplify right side
    281,899,373.52x = 61,518,033,542,795,432
  5. Step 5: Solve for x
    x = 61,518,033,542,795,432/281,899,373.52
  6. Step 6: Final answer
    x = 218,226,925.36

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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.