Home / 256,035,699.23-384,037,605.62-157,686,120.60

Finding the Fourth Proportional to 256,035,699.23, 384,037,605.62 and 157,686,120.60

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Solution

The fourth proportional to 256,035,699.23, 384,037,605.62 and 157,686,120.60 is: 236,519,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,035,699.23 : 384,037,605.62 = 157,686,120.60 : x
  2. Step 2: Convert to fraction form
    256,035,699.23/384,037,605.62 = 157,686,120.60/x
  3. Step 3: Cross multiply
    256,035,699.23x = 384,037,605.62 × 157,686,120.60
  4. Step 4: Simplify right side
    256,035,699.23x = 60,557,400,196,555,344
  5. Step 5: Solve for x
    x = 60,557,400,196,555,344/256,035,699.23
  6. Step 6: Final answer
    x = 236,519,361.86

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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.