Home / 259,655,993.70-389,556,805.39-104,318,881.27

Finding the Fourth Proportional to 259,655,993.70, 389,556,805.39 and 104,318,881.27

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Solution

The fourth proportional to 259,655,993.70, 389,556,805.39 and 104,318,881.27 is: 156,507,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,655,993.70 : 389,556,805.39 = 104,318,881.27 : x
  2. Step 2: Convert to fraction form
    259,655,993.70/389,556,805.39 = 104,318,881.27/x
  3. Step 3: Cross multiply
    259,655,993.70x = 389,556,805.39 × 104,318,881.27
  4. Step 4: Simplify right side
    259,655,993.70x = 40,638,130,128,878,312
  5. Step 5: Solve for x
    x = 40,638,130,128,878,312/259,655,993.70
  6. Step 6: Final answer
    x = 156,507,575.85

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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.