Home / 142,047,208.80-213,070,813.20-140,134,021.20

Finding the Fourth Proportional to 142,047,208.80, 213,070,813.20 and 140,134,021.20

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Solution

The fourth proportional to 142,047,208.80, 213,070,813.20 and 140,134,021.20 is: 210,201,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,047,208.80 : 213,070,813.20 = 140,134,021.20 : x
  2. Step 2: Convert to fraction form
    142,047,208.80/213,070,813.20 = 140,134,021.20/x
  3. Step 3: Cross multiply
    142,047,208.80x = 213,070,813.20 × 140,134,021.20
  4. Step 4: Simplify right side
    142,047,208.80x = 29,858,469,854,070,036
  5. Step 5: Solve for x
    x = 29,858,469,854,070,036/142,047,208.80
  6. Step 6: Final answer
    x = 210,201,031.80

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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.