Home / 200,709,749.70-301,064,624.55-193,056,999.30

Finding the Fourth Proportional to 200,709,749.70, 301,064,624.55 and 193,056,999.30

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Solution

The fourth proportional to 200,709,749.70, 301,064,624.55 and 193,056,999.30 is: 289,585,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,709,749.70 : 301,064,624.55 = 193,056,999.30 : x
  2. Step 2: Convert to fraction form
    200,709,749.70/301,064,624.55 = 193,056,999.30/x
  3. Step 3: Cross multiply
    200,709,749.70x = 301,064,624.55 × 193,056,999.30
  4. Step 4: Simplify right side
    200,709,749.70x = 58,122,633,011,004,120
  5. Step 5: Solve for x
    x = 58,122,633,011,004,120/200,709,749.70
  6. Step 6: Final answer
    x = 289,585,498.95

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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.