Home / 300,557,852.21-450,522,118.51-125,781,023.45

Finding the Fourth Proportional to 300,557,852.21, 450,522,118.51 and 125,781,023.45

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Solution

The fourth proportional to 300,557,852.21, 450,522,118.51 and 125,781,023.45 is: 188,539,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,557,852.21 : 450,522,118.51 = 125,781,023.45 : x
  2. Step 2: Convert to fraction form
    300,557,852.21/450,522,118.51 = 125,781,023.45/x
  3. Step 3: Cross multiply
    300,557,852.21x = 450,522,118.51 × 125,781,023.45
  4. Step 4: Simplify right side
    300,557,852.21x = 56,667,133,150,482,920
  5. Step 5: Solve for x
    x = 56,667,133,150,482,920/300,557,852.21
  6. Step 6: Final answer
    x = 188,539,852.59

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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.