Home / 166,069,112.70-249,103,669.05-108,738,219.90

Finding the Fourth Proportional to 166,069,112.70, 249,103,669.05 and 108,738,219.90

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Solution

The fourth proportional to 166,069,112.70, 249,103,669.05 and 108,738,219.90 is: 163,107,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,069,112.70 : 249,103,669.05 = 108,738,219.90 : x
  2. Step 2: Convert to fraction form
    166,069,112.70/249,103,669.05 = 108,738,219.90/x
  3. Step 3: Cross multiply
    166,069,112.70x = 249,103,669.05 × 108,738,219.90
  4. Step 4: Simplify right side
    166,069,112.70x = 27,087,089,543,055,728
  5. Step 5: Solve for x
    x = 27,087,089,543,055,728/166,069,112.70
  6. Step 6: Final answer
    x = 163,107,329.85

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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.