Home / 205,283,644.52-283,289,083.47-111,196,017.68

Finding the Fourth Proportional to 205,283,644.52, 283,289,083.47 and 111,196,017.68

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Solution

The fourth proportional to 205,283,644.52, 283,289,083.47 and 111,196,017.68 is: 153,449,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,283,644.52 : 283,289,083.47 = 111,196,017.68 : x
  2. Step 2: Convert to fraction form
    205,283,644.52/283,289,083.47 = 111,196,017.68/x
  3. Step 3: Cross multiply
    205,283,644.52x = 283,289,083.47 × 111,196,017.68
  4. Step 4: Simplify right side
    205,283,644.52x = 31,500,617,934,081,120
  5. Step 5: Solve for x
    x = 31,500,617,934,081,120/205,283,644.52
  6. Step 6: Final answer
    x = 153,449,233.66

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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.