Home / 256,244,588.77-384,980,072.84-164,308,450.52

Finding the Fourth Proportional to 256,244,588.77, 384,980,072.84 and 164,308,450.52

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Solution

The fourth proportional to 256,244,588.77, 384,980,072.84 and 164,308,450.52 is: 246,855,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,588.77 : 384,980,072.84 = 164,308,450.52 : x
  2. Step 2: Convert to fraction form
    256,244,588.77/384,980,072.84 = 164,308,450.52/x
  3. Step 3: Cross multiply
    256,244,588.77x = 384,980,072.84 × 164,308,450.52
  4. Step 4: Simplify right side
    256,244,588.77x = 63,255,479,249,417,136
  5. Step 5: Solve for x
    x = 63,255,479,249,417,136/256,244,588.77
  6. Step 6: Final answer
    x = 246,855,863.58

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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.