Home / 256,634,802.48-384,798,473.42-81,682,266.23

Finding the Fourth Proportional to 256,634,802.48, 384,798,473.42 and 81,682,266.23

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Solution

The fourth proportional to 256,634,802.48, 384,798,473.42 and 81,682,266.23 is: 122,474,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,634,802.48 : 384,798,473.42 = 81,682,266.23 : x
  2. Step 2: Convert to fraction form
    256,634,802.48/384,798,473.42 = 81,682,266.23/x
  3. Step 3: Cross multiply
    256,634,802.48x = 384,798,473.42 × 81,682,266.23
  4. Step 4: Simplify right side
    256,634,802.48x = 31,431,211,348,457,616
  5. Step 5: Solve for x
    x = 31,431,211,348,457,616/256,634,802.48
  6. Step 6: Final answer
    x = 122,474,469.73

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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.