Home / 201,449,237.90-302,173,856.85-140,227,234.70

Finding the Fourth Proportional to 201,449,237.90, 302,173,856.85 and 140,227,234.70

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Solution

The fourth proportional to 201,449,237.90, 302,173,856.85 and 140,227,234.70 is: 210,340,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,449,237.90 : 302,173,856.85 = 140,227,234.70 : x
  2. Step 2: Convert to fraction form
    201,449,237.90/302,173,856.85 = 140,227,234.70/x
  3. Step 3: Cross multiply
    201,449,237.90x = 302,173,856.85 × 140,227,234.70
  4. Step 4: Simplify right side
    201,449,237.90x = 42,373,004,344,709,152
  5. Step 5: Solve for x
    x = 42,373,004,344,709,152/201,449,237.90
  6. Step 6: Final answer
    x = 210,340,852.05

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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.