Home / 70,956,667.20-106,435,000.80-41,780,556.30

Finding the Fourth Proportional to 70,956,667.20, 106,435,000.80 and 41,780,556.30

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Solution

The fourth proportional to 70,956,667.20, 106,435,000.80 and 41,780,556.30 is: 62,670,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956,667.20 : 106,435,000.80 = 41,780,556.30 : x
  2. Step 2: Convert to fraction form
    70,956,667.20/106,435,000.80 = 41,780,556.30/x
  3. Step 3: Cross multiply
    70,956,667.20x = 106,435,000.80 × 41,780,556.30
  4. Step 4: Simplify right side
    70,956,667.20x = 4,446,913,543,214,944.50
  5. Step 5: Solve for x
    x = 4,446,913,543,214,944.50/70,956,667.20
  6. Step 6: Final answer
    x = 62,670,834.45

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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.