Home / 89,326,685.95-123,271,693.52-51,647,020.83

Finding the Fourth Proportional to 89,326,685.95, 123,271,693.52 and 51,647,020.83

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Solution

The fourth proportional to 89,326,685.95, 123,271,693.52 and 51,647,020.83 is: 71,273,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,326,685.95 : 123,271,693.52 = 51,647,020.83 : x
  2. Step 2: Convert to fraction form
    89,326,685.95/123,271,693.52 = 51,647,020.83/x
  3. Step 3: Cross multiply
    89,326,685.95x = 123,271,693.52 × 51,647,020.83
  4. Step 4: Simplify right side
    89,326,685.95x = 6,366,615,722,102,223
  5. Step 5: Solve for x
    x = 6,366,615,722,102,223/89,326,685.95
  6. Step 6: Final answer
    x = 71,273,389.97

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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.