Home / 140,189,743.20-210,221,629.20-53,899,471.20

Finding the Fourth Proportional to 140,189,743.20, 210,221,629.20 and 53,899,471.20

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Solution

The fourth proportional to 140,189,743.20, 210,221,629.20 and 53,899,471.20 is: 80,824,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,189,743.20 : 210,221,629.20 = 53,899,471.20 : x
  2. Step 2: Convert to fraction form
    140,189,743.20/210,221,629.20 = 53,899,471.20/x
  3. Step 3: Cross multiply
    140,189,743.20x = 210,221,629.20 × 53,899,471.20
  4. Step 4: Simplify right side
    140,189,743.20x = 11,330,834,648,682,480
  5. Step 5: Solve for x
    x = 11,330,834,648,682,480/140,189,743.20
  6. Step 6: Final answer
    x = 80,824,990.40

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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.