Home / 140,899,791.40-211,349,687.10-102,480,130.60

Finding the Fourth Proportional to 140,899,791.40, 211,349,687.10 and 102,480,130.60

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Solution

The fourth proportional to 140,899,791.40, 211,349,687.10 and 102,480,130.60 is: 153,720,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,899,791.40 : 211,349,687.10 = 102,480,130.60 : x
  2. Step 2: Convert to fraction form
    140,899,791.40/211,349,687.10 = 102,480,130.60/x
  3. Step 3: Cross multiply
    140,899,791.40x = 211,349,687.10 × 102,480,130.60
  4. Step 4: Simplify right side
    140,899,791.40x = 21,659,143,536,277,132
  5. Step 5: Solve for x
    x = 21,659,143,536,277,132/140,899,791.40
  6. Step 6: Final answer
    x = 153,720,195.90

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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.