Home / 130,297,860.20-195,446,790.30-99,686,858.60

Finding the Fourth Proportional to 130,297,860.20, 195,446,790.30 and 99,686,858.60

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Solution

The fourth proportional to 130,297,860.20, 195,446,790.30 and 99,686,858.60 is: 149,530,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,297,860.20 : 195,446,790.30 = 99,686,858.60 : x
  2. Step 2: Convert to fraction form
    130,297,860.20/195,446,790.30 = 99,686,858.60/x
  3. Step 3: Cross multiply
    130,297,860.20x = 195,446,790.30 × 99,686,858.60
  4. Step 4: Simplify right side
    130,297,860.20x = 19,483,476,548,459,952
  5. Step 5: Solve for x
    x = 19,483,476,548,459,952/130,297,860.20
  6. Step 6: Final answer
    x = 149,530,287.90

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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.