Home / 166,484,760.20-249,727,140.30-163,614,978.80

Finding the Fourth Proportional to 166,484,760.20, 249,727,140.30 and 163,614,978.80

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Solution

The fourth proportional to 166,484,760.20, 249,727,140.30 and 163,614,978.80 is: 245,422,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,484,760.20 : 249,727,140.30 = 163,614,978.80 : x
  2. Step 2: Convert to fraction form
    166,484,760.20/249,727,140.30 = 163,614,978.80/x
  3. Step 3: Cross multiply
    166,484,760.20x = 249,727,140.30 × 163,614,978.80
  4. Step 4: Simplify right side
    166,484,760.20x = 40,859,100,765,969,128
  5. Step 5: Solve for x
    x = 40,859,100,765,969,128/166,484,760.20
  6. Step 6: Final answer
    x = 245,422,468.20

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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.