Home / 165,742,820.10-248,614,230.15-101,172,738.60

Finding the Fourth Proportional to 165,742,820.10, 248,614,230.15 and 101,172,738.60

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Solution

The fourth proportional to 165,742,820.10, 248,614,230.15 and 101,172,738.60 is: 151,759,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742,820.10 : 248,614,230.15 = 101,172,738.60 : x
  2. Step 2: Convert to fraction form
    165,742,820.10/248,614,230.15 = 101,172,738.60/x
  3. Step 3: Cross multiply
    165,742,820.10x = 248,614,230.15 × 101,172,738.60
  4. Step 4: Simplify right side
    165,742,820.10x = 25,152,982,519,206,188
  5. Step 5: Solve for x
    x = 25,152,982,519,206,188/165,742,820.10
  6. Step 6: Final answer
    x = 151,759,107.90

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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.