Home / 166,485,945.60-249,728,918.40-159,683,500.80

Finding the Fourth Proportional to 166,485,945.60, 249,728,918.40 and 159,683,500.80

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Solution

The fourth proportional to 166,485,945.60, 249,728,918.40 and 159,683,500.80 is: 239,525,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,945.60 : 249,728,918.40 = 159,683,500.80 : x
  2. Step 2: Convert to fraction form
    166,485,945.60/249,728,918.40 = 159,683,500.80/x
  3. Step 3: Cross multiply
    166,485,945.60x = 249,728,918.40 × 159,683,500.80
  4. Step 4: Simplify right side
    166,485,945.60x = 39,877,587,941,109,536
  5. Step 5: Solve for x
    x = 39,877,587,941,109,536/166,485,945.60
  6. Step 6: Final answer
    x = 239,525,251.20

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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.