Home / 215,048,758.40-322,573,137.60-154,582,582.40

Finding the Fourth Proportional to 215,048,758.40, 322,573,137.60 and 154,582,582.40

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Solution

The fourth proportional to 215,048,758.40, 322,573,137.60 and 154,582,582.40 is: 231,873,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,048,758.40 : 322,573,137.60 = 154,582,582.40 : x
  2. Step 2: Convert to fraction form
    215,048,758.40/322,573,137.60 = 154,582,582.40/x
  3. Step 3: Cross multiply
    215,048,758.40x = 322,573,137.60 × 154,582,582.40
  4. Step 4: Simplify right side
    215,048,758.40x = 49,864,188,623,078,544
  5. Step 5: Solve for x
    x = 49,864,188,623,078,544/215,048,758.40
  6. Step 6: Final answer
    x = 231,873,873.60

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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.