Home / 238,683,139.81-329,100,919.99-163,365,749.35

Finding the Fourth Proportional to 238,683,139.81, 329,100,919.99 and 163,365,749.35

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Solution

The fourth proportional to 238,683,139.81, 329,100,919.99 and 163,365,749.35 is: 225,251,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,683,139.81 : 329,100,919.99 = 163,365,749.35 : x
  2. Step 2: Convert to fraction form
    238,683,139.81/329,100,919.99 = 163,365,749.35/x
  3. Step 3: Cross multiply
    238,683,139.81x = 329,100,919.99 × 163,365,749.35
  4. Step 4: Simplify right side
    238,683,139.81x = 53,763,818,405,940,744
  5. Step 5: Solve for x
    x = 53,763,818,405,940,744/238,683,139.81
  6. Step 6: Final answer
    x = 225,251,848.32

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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.