Home / 259,655,993.57-389,556,805.20-104,318,881.15

Finding the Fourth Proportional to 259,655,993.57, 389,556,805.20 and 104,318,881.15

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Solution

The fourth proportional to 259,655,993.57, 389,556,805.20 and 104,318,881.15 is: 156,507,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,655,993.57 : 389,556,805.20 = 104,318,881.15 : x
  2. Step 2: Convert to fraction form
    259,655,993.57/389,556,805.20 = 104,318,881.15/x
  3. Step 3: Cross multiply
    259,655,993.57x = 389,556,805.20 × 104,318,881.15
  4. Step 4: Simplify right side
    259,655,993.57x = 40,638,130,060,493,520
  5. Step 5: Solve for x
    x = 40,638,130,060,493,520/259,655,993.57
  6. Step 6: Final answer
    x = 156,507,575.66

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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.