Home / 154,557,362.88-213,293,960.64-84,941,478.72

Finding the Fourth Proportional to 154,557,362.88, 213,293,960.64 and 84,941,478.72

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Solution

The fourth proportional to 154,557,362.88, 213,293,960.64 and 84,941,478.72 is: 117,221,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,362.88 : 213,293,960.64 = 84,941,478.72 : x
  2. Step 2: Convert to fraction form
    154,557,362.88/213,293,960.64 = 84,941,478.72/x
  3. Step 3: Cross multiply
    154,557,362.88x = 213,293,960.64 × 84,941,478.72
  4. Step 4: Simplify right side
    154,557,362.88x = 18,117,504,418,807,076
  5. Step 5: Solve for x
    x = 18,117,504,418,807,076/154,557,362.88
  6. Step 6: Final answer
    x = 117,221,878.54

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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.