Home / 123,859,945.80-185,784,013.80-41,970,792.60

Finding the Fourth Proportional to 123,859,945.80, 185,784,013.80 and 41,970,792.60

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Solution

The fourth proportional to 123,859,945.80, 185,784,013.80 and 41,970,792.60 is: 62,954,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,859,945.80 : 185,784,013.80 = 41,970,792.60 : x
  2. Step 2: Convert to fraction form
    123,859,945.80/185,784,013.80 = 41,970,792.60/x
  3. Step 3: Cross multiply
    123,859,945.80x = 185,784,013.80 × 41,970,792.60
  4. Step 4: Simplify right side
    123,859,945.80x = 7,797,502,311,595,339
  5. Step 5: Solve for x
    x = 7,797,502,311,595,339/123,859,945.80
  6. Step 6: Final answer
    x = 62,954,187.98

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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.