Home / 140,012,837.70-210,019,256.55-131,502,783.30

Finding the Fourth Proportional to 140,012,837.70, 210,019,256.55 and 131,502,783.30

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Solution

The fourth proportional to 140,012,837.70, 210,019,256.55 and 131,502,783.30 is: 197,254,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,012,837.70 : 210,019,256.55 = 131,502,783.30 : x
  2. Step 2: Convert to fraction form
    140,012,837.70/210,019,256.55 = 131,502,783.30/x
  3. Step 3: Cross multiply
    140,012,837.70x = 210,019,256.55 × 131,502,783.30
  4. Step 4: Simplify right side
    140,012,837.70x = 27,618,116,782,921,756
  5. Step 5: Solve for x
    x = 27,618,116,782,921,756/140,012,837.70
  6. Step 6: Final answer
    x = 197,254,174.95

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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.