Home / 140,020,453.05-210,028,990.11-36,380,487.71

Finding the Fourth Proportional to 140,020,453.05, 210,028,990.11 and 36,380,487.71

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Solution

The fourth proportional to 140,020,453.05, 210,028,990.11 and 36,380,487.71 is: 54,570,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,453.05 : 210,028,990.11 = 36,380,487.71 : x
  2. Step 2: Convert to fraction form
    140,020,453.05/210,028,990.11 = 36,380,487.71/x
  3. Step 3: Cross multiply
    140,020,453.05x = 210,028,990.11 × 36,380,487.71
  4. Step 4: Simplify right side
    140,020,453.05x = 7,640,957,092,390,422
  5. Step 5: Solve for x
    x = 7,640,957,092,390,422/140,020,453.05
  6. Step 6: Final answer
    x = 54,570,292.60

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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.