Home / 166,485,800.70-249,728,701.05-163,616,019.30

Finding the Fourth Proportional to 166,485,800.70, 249,728,701.05 and 163,616,019.30

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Solution

The fourth proportional to 166,485,800.70, 249,728,701.05 and 163,616,019.30 is: 245,424,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,800.70 : 249,728,701.05 = 163,616,019.30 : x
  2. Step 2: Convert to fraction form
    166,485,800.70/249,728,701.05 = 163,616,019.30/x
  3. Step 3: Cross multiply
    166,485,800.70x = 249,728,701.05 × 163,616,019.30
  4. Step 4: Simplify right side
    166,485,800.70x = 40,859,615,970,760,736
  5. Step 5: Solve for x
    x = 40,859,615,970,760,736/166,485,800.70
  6. Step 6: Final answer
    x = 245,424,028.95

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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.