Home / 260,472,289.68-359,455,971.24-143,008,448.40

Finding the Fourth Proportional to 260,472,289.68, 359,455,971.24 and 143,008,448.40

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Solution

The fourth proportional to 260,472,289.68, 359,455,971.24 and 143,008,448.40 is: 197,353,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,472,289.68 : 359,455,971.24 = 143,008,448.40 : x
  2. Step 2: Convert to fraction form
    260,472,289.68/359,455,971.24 = 143,008,448.40/x
  3. Step 3: Cross multiply
    260,472,289.68x = 359,455,971.24 × 143,008,448.40
  4. Step 4: Simplify right side
    260,472,289.68x = 51,405,240,715,147,424
  5. Step 5: Solve for x
    x = 51,405,240,715,147,424/260,472,289.68
  6. Step 6: Final answer
    x = 197,353,971.04

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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.