Home / 166,485,809.70-249,728,714.55-163,616,028.30

Finding the Fourth Proportional to 166,485,809.70, 249,728,714.55 and 163,616,028.30

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Solution

The fourth proportional to 166,485,809.70, 249,728,714.55 and 163,616,028.30 is: 245,424,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,809.70 : 249,728,714.55 = 163,616,028.30 : x
  2. Step 2: Convert to fraction form
    166,485,809.70/249,728,714.55 = 163,616,028.30/x
  3. Step 3: Cross multiply
    166,485,809.70x = 249,728,714.55 × 163,616,028.30
  4. Step 4: Simplify right side
    166,485,809.70x = 40,859,620,427,135,424
  5. Step 5: Solve for x
    x = 40,859,620,427,135,424/166,485,809.70
  6. Step 6: Final answer
    x = 245,424,042.45

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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.