Home / 111,389,759.92-153,710,173.44-61,826,234.52

Finding the Fourth Proportional to 111,389,759.92, 153,710,173.44 and 61,826,234.52

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Solution

The fourth proportional to 111,389,759.92, 153,710,173.44 and 61,826,234.52 is: 85,315,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,389,759.92 : 153,710,173.44 = 61,826,234.52 : x
  2. Step 2: Convert to fraction form
    111,389,759.92/153,710,173.44 = 61,826,234.52/x
  3. Step 3: Cross multiply
    111,389,759.92x = 153,710,173.44 × 61,826,234.52
  4. Step 4: Simplify right side
    111,389,759.92x = 9,503,321,231,211,316
  5. Step 5: Solve for x
    x = 9,503,321,231,211,316/111,389,759.92
  6. Step 6: Final answer
    x = 85,315,932.43

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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.