Home / 30,081,644.55-45,122,466.83-28,168,456.95

Finding the Fourth Proportional to 30,081,644.55, 45,122,466.83 and 28,168,456.95

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Solution

The fourth proportional to 30,081,644.55, 45,122,466.83 and 28,168,456.95 is: 42,252,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081,644.55 : 45,122,466.83 = 28,168,456.95 : x
  2. Step 2: Convert to fraction form
    30,081,644.55/45,122,466.83 = 28,168,456.95/x
  3. Step 3: Cross multiply
    30,081,644.55x = 45,122,466.83 × 28,168,456.95
  4. Step 4: Simplify right side
    30,081,644.55x = 1,271,030,264,237,815.75
  5. Step 5: Solve for x
    x = 1,271,030,264,237,815.75/30,081,644.55
  6. Step 6: Final answer
    x = 42,252,685.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.