Home / 166,246,277.80-249,369,416.70-163,978,796.20

Finding the Fourth Proportional to 166,246,277.80, 249,369,416.70 and 163,978,796.20

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Solution

The fourth proportional to 166,246,277.80, 249,369,416.70 and 163,978,796.20 is: 245,968,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,246,277.80 : 249,369,416.70 = 163,978,796.20 : x
  2. Step 2: Convert to fraction form
    166,246,277.80/249,369,416.70 = 163,978,796.20/x
  3. Step 3: Cross multiply
    166,246,277.80x = 249,369,416.70 × 163,978,796.20
  4. Step 4: Simplify right side
    166,246,277.80x = 40,891,296,759,562,168
  5. Step 5: Solve for x
    x = 40,891,296,759,562,168/166,246,277.80
  6. Step 6: Final answer
    x = 245,968,194.30

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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.