Home / 76,211,141.15-105,163,786.26-43,164,794.76

Finding the Fourth Proportional to 76,211,141.15, 105,163,786.26 and 43,164,794.76

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Solution

The fourth proportional to 76,211,141.15, 105,163,786.26 and 43,164,794.76 is: 59,563,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,211,141.15 : 105,163,786.26 = 43,164,794.76 : x
  2. Step 2: Convert to fraction form
    76,211,141.15/105,163,786.26 = 43,164,794.76/x
  3. Step 3: Cross multiply
    76,211,141.15x = 105,163,786.26 × 43,164,794.76
  4. Step 4: Simplify right side
    76,211,141.15x = 4,539,373,250,097,408
  5. Step 5: Solve for x
    x = 4,539,373,250,097,408/76,211,141.15
  6. Step 6: Final answer
    x = 59,563,118.75

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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.