Home / 122,212,421.55-168,657,576.53-70,011,546.03

Finding the Fourth Proportional to 122,212,421.55, 168,657,576.53 and 70,011,546.03

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Solution

The fourth proportional to 122,212,421.55, 168,657,576.53 and 70,011,546.03 is: 96,618,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,212,421.55 : 168,657,576.53 = 70,011,546.03 : x
  2. Step 2: Convert to fraction form
    122,212,421.55/168,657,576.53 = 70,011,546.03/x
  3. Step 3: Cross multiply
    122,212,421.55x = 168,657,576.53 × 70,011,546.03
  4. Step 4: Simplify right side
    122,212,421.55x = 11,807,977,682,188,286
  5. Step 5: Solve for x
    x = 11,807,977,682,188,286/122,212,421.55
  6. Step 6: Final answer
    x = 96,618,474.07

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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.