Home / 378,091,644.64-567,087,069.68-105,439,579.36

Finding the Fourth Proportional to 378,091,644.64, 567,087,069.68 and 105,439,579.36

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Solution

The fourth proportional to 378,091,644.64, 567,087,069.68 and 105,439,579.36 is: 158,145,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,091,644.64 : 567,087,069.68 = 105,439,579.36 : x
  2. Step 2: Convert to fraction form
    378,091,644.64/567,087,069.68 = 105,439,579.36/x
  3. Step 3: Cross multiply
    378,091,644.64x = 567,087,069.68 × 105,439,579.36
  4. Step 4: Simplify right side
    378,091,644.64x = 59,793,422,087,554,200
  5. Step 5: Solve for x
    x = 59,793,422,087,554,200/378,091,644.64
  6. Step 6: Final answer
    x = 158,145,314.60

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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.