Home / 142,320,720.36-213,498,355.40-40,084,757.94

Finding the Fourth Proportional to 142,320,720.36, 213,498,355.40 and 40,084,757.94

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Solution

The fourth proportional to 142,320,720.36, 213,498,355.40 and 40,084,757.94 is: 60,132,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,320,720.36 : 213,498,355.40 = 40,084,757.94 : x
  2. Step 2: Convert to fraction form
    142,320,720.36/213,498,355.40 = 40,084,757.94/x
  3. Step 3: Cross multiply
    142,320,720.36x = 213,498,355.40 × 40,084,757.94
  4. Step 4: Simplify right side
    142,320,720.36x = 8,558,029,896,797,092
  5. Step 5: Solve for x
    x = 8,558,029,896,797,092/142,320,720.36
  6. Step 6: Final answer
    x = 60,132,002.39

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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.