Home / 278,326,284.06-384,079,749.42-154,574,932.80

Finding the Fourth Proportional to 278,326,284.06, 384,079,749.42 and 154,574,932.80

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Solution

The fourth proportional to 278,326,284.06, 384,079,749.42 and 154,574,932.80 is: 213,307,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,326,284.06 : 384,079,749.42 = 154,574,932.80 : x
  2. Step 2: Convert to fraction form
    278,326,284.06/384,079,749.42 = 154,574,932.80/x
  3. Step 3: Cross multiply
    278,326,284.06x = 384,079,749.42 × 154,574,932.80
  4. Step 4: Simplify right side
    278,326,284.06x = 59,369,101,456,437,344
  5. Step 5: Solve for x
    x = 59,369,101,456,437,344/278,326,284.06
  6. Step 6: Final answer
    x = 213,307,563.30

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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.