Home / 56,163,235.72-77,503,778.56-31,383,626.19

Finding the Fourth Proportional to 56,163,235.72, 77,503,778.56 and 31,383,626.19

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Solution

The fourth proportional to 56,163,235.72, 77,503,778.56 and 31,383,626.19 is: 43,308,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163,235.72 : 77,503,778.56 = 31,383,626.19 : x
  2. Step 2: Convert to fraction form
    56,163,235.72/77,503,778.56 = 31,383,626.19/x
  3. Step 3: Cross multiply
    56,163,235.72x = 77,503,778.56 × 31,383,626.19
  4. Step 4: Simplify right side
    56,163,235.72x = 2,432,349,614,482,658.50
  5. Step 5: Solve for x
    x = 2,432,349,614,482,658.50/56,163,235.72
  6. Step 6: Final answer
    x = 43,308,573.36

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1.5x scale

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.