Home / 166,502,661.87-249,667,936.78-73,091,401.23

Finding the Fourth Proportional to 166,502,661.87, 249,667,936.78 and 73,091,401.23

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Solution

The fourth proportional to 166,502,661.87, 249,667,936.78 and 73,091,401.23 is: 109,599,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502,661.87 : 249,667,936.78 = 73,091,401.23 : x
  2. Step 2: Convert to fraction form
    166,502,661.87/249,667,936.78 = 73,091,401.23/x
  3. Step 3: Cross multiply
    166,502,661.87x = 249,667,936.78 × 73,091,401.23
  4. Step 4: Simplify right side
    166,502,661.87x = 18,248,579,341,453,256
  5. Step 5: Solve for x
    x = 18,248,579,341,453,256/166,502,661.87
  6. Step 6: Final answer
    x = 109,599,324.94

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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.