Home / 90,939,859.56-136,421,140.64-35,600,546.79

Finding the Fourth Proportional to 90,939,859.56, 136,421,140.64 and 35,600,546.79

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Solution

The fourth proportional to 90,939,859.56, 136,421,140.64 and 35,600,546.79 is: 53,405,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,939,859.56 : 136,421,140.64 = 35,600,546.79 : x
  2. Step 2: Convert to fraction form
    90,939,859.56/136,421,140.64 = 35,600,546.79/x
  3. Step 3: Cross multiply
    90,939,859.56x = 136,421,140.64 × 35,600,546.79
  4. Step 4: Simplify right side
    90,939,859.56x = 4,856,667,200,321,487
  5. Step 5: Solve for x
    x = 4,856,667,200,321,487/90,939,859.56
  6. Step 6: Final answer
    x = 53,405,263.92

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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.