Home / 356,307,920.26-534,330,786.75-123,079,278.58

Finding the Fourth Proportional to 356,307,920.26, 534,330,786.75 and 123,079,278.58

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Solution

The fourth proportional to 356,307,920.26, 534,330,786.75 and 123,079,278.58 is: 184,573,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,307,920.26 : 534,330,786.75 = 123,079,278.58 : x
  2. Step 2: Convert to fraction form
    356,307,920.26/534,330,786.75 = 123,079,278.58/x
  3. Step 3: Cross multiply
    356,307,920.26x = 534,330,786.75 × 123,079,278.58
  4. Step 4: Simplify right side
    356,307,920.26x = 65,765,047,756,273,824
  5. Step 5: Solve for x
    x = 65,765,047,756,273,824/356,307,920.26
  6. Step 6: Final answer
    x = 184,573,634.26

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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.