Home / 195,970,381.41-270,301,439.81-128,967,992.01

Finding the Fourth Proportional to 195,970,381.41, 270,301,439.81 and 128,967,992.01

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Solution

The fourth proportional to 195,970,381.41, 270,301,439.81 and 128,967,992.01 is: 177,885,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,970,381.41 : 270,301,439.81 = 128,967,992.01 : x
  2. Step 2: Convert to fraction form
    195,970,381.41/270,301,439.81 = 128,967,992.01/x
  3. Step 3: Cross multiply
    195,970,381.41x = 270,301,439.81 × 128,967,992.01
  4. Step 4: Simplify right side
    195,970,381.41x = 34,860,233,929,707,576
  5. Step 5: Solve for x
    x = 34,860,233,929,707,576/195,970,381.41
  6. Step 6: Final answer
    x = 177,885,217.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.