Home / 166,108,209.40-249,162,314.10-79,825,810.60

Finding the Fourth Proportional to 166,108,209.40, 249,162,314.10 and 79,825,810.60

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Solution

The fourth proportional to 166,108,209.40, 249,162,314.10 and 79,825,810.60 is: 119,738,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,108,209.40 : 249,162,314.10 = 79,825,810.60 : x
  2. Step 2: Convert to fraction form
    166,108,209.40/249,162,314.10 = 79,825,810.60/x
  3. Step 3: Cross multiply
    166,108,209.40x = 249,162,314.10 × 79,825,810.60
  4. Step 4: Simplify right side
    166,108,209.40x = 19,889,583,694,004,308
  5. Step 5: Solve for x
    x = 19,889,583,694,004,308/166,108,209.40
  6. Step 6: Final answer
    x = 119,738,715.90

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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.