Home / 252,300,506.40-378,521,618.40-122,912,337.60

Finding the Fourth Proportional to 252,300,506.40, 378,521,618.40 and 122,912,337.60

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Solution

The fourth proportional to 252,300,506.40, 378,521,618.40 and 122,912,337.60 is: 184,403,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,300,506.40 : 378,521,618.40 = 122,912,337.60 : x
  2. Step 2: Convert to fraction form
    252,300,506.40/378,521,618.40 = 122,912,337.60/x
  3. Step 3: Cross multiply
    252,300,506.40x = 378,521,618.40 × 122,912,337.60
  4. Step 4: Simplify right side
    252,300,506.40x = 46,524,976,949,679,168
  5. Step 5: Solve for x
    x = 46,524,976,949,679,168/252,300,506.40
  6. Step 6: Final answer
    x = 184,403,026.43

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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.