Home / 290,444,887.20-435,667,330.80-106,212,007.20

Finding the Fourth Proportional to 290,444,887.20, 435,667,330.80 and 106,212,007.20

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Solution

The fourth proportional to 290,444,887.20, 435,667,330.80 and 106,212,007.20 is: 159,318,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,444,887.20 : 435,667,330.80 = 106,212,007.20 : x
  2. Step 2: Convert to fraction form
    290,444,887.20/435,667,330.80 = 106,212,007.20/x
  3. Step 3: Cross multiply
    290,444,887.20x = 435,667,330.80 × 106,212,007.20
  4. Step 4: Simplify right side
    290,444,887.20x = 46,273,101,675,734,384
  5. Step 5: Solve for x
    x = 46,273,101,675,734,384/290,444,887.20
  6. Step 6: Final answer
    x = 159,318,010.80

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1.5x scale

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.