Home / 205,155,408.21-283,114,581.09-111,069,579.57

Finding the Fourth Proportional to 205,155,408.21, 283,114,581.09 and 111,069,579.57

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Solution

The fourth proportional to 205,155,408.21, 283,114,581.09 and 111,069,579.57 is: 153,276,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,155,408.21 : 283,114,581.09 = 111,069,579.57 : x
  2. Step 2: Convert to fraction form
    205,155,408.21/283,114,581.09 = 111,069,579.57/x
  3. Step 3: Cross multiply
    205,155,408.21x = 283,114,581.09 × 111,069,579.57
  4. Step 4: Simplify right side
    205,155,408.21x = 31,445,417,491,802,968
  5. Step 5: Solve for x
    x = 31,445,417,491,802,968/205,155,408.21
  6. Step 6: Final answer
    x = 153,276,083.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.