Home / 195,977,756.20-270,447,157.38-107,869,870.12

Finding the Fourth Proportional to 195,977,756.20, 270,447,157.38 and 107,869,870.12

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Solution

The fourth proportional to 195,977,756.20, 270,447,157.38 and 107,869,870.12 is: 148,859,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,977,756.20 : 270,447,157.38 = 107,869,870.12 : x
  2. Step 2: Convert to fraction form
    195,977,756.20/270,447,157.38 = 107,869,870.12/x
  3. Step 3: Cross multiply
    195,977,756.20x = 270,447,157.38 × 107,869,870.12
  4. Step 4: Simplify right side
    195,977,756.20x = 29,173,099,740,903,800
  5. Step 5: Solve for x
    x = 29,173,099,740,903,800/195,977,756.20
  6. Step 6: Final answer
    x = 148,859,239.47

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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.