Home / 69,911,354.72-96,482,923.44-40,542,432.32

Finding the Fourth Proportional to 69,911,354.72, 96,482,923.44 and 40,542,432.32

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Solution

The fourth proportional to 69,911,354.72, 96,482,923.44 and 40,542,432.32 is: 55,951,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,911,354.72 : 96,482,923.44 = 40,542,432.32 : x
  2. Step 2: Convert to fraction form
    69,911,354.72/96,482,923.44 = 40,542,432.32/x
  3. Step 3: Cross multiply
    69,911,354.72x = 96,482,923.44 × 40,542,432.32
  4. Step 4: Simplify right side
    69,911,354.72x = 3,911,652,393,601,941.50
  5. Step 5: Solve for x
    x = 3,911,652,393,601,941.50/69,911,354.72
  6. Step 6: Final answer
    x = 55,951,603.42

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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.