Home / 260,957,835.95-360,112,128.55-143,476,176.29

Finding the Fourth Proportional to 260,957,835.95, 360,112,128.55 and 143,476,176.29

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Solution

The fourth proportional to 260,957,835.95, 360,112,128.55 and 143,476,176.29 is: 197,991,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,957,835.95 : 360,112,128.55 = 143,476,176.29 : x
  2. Step 2: Convert to fraction form
    260,957,835.95/360,112,128.55 = 143,476,176.29/x
  3. Step 3: Cross multiply
    260,957,835.95x = 360,112,128.55 × 143,476,176.29
  4. Step 4: Simplify right side
    260,957,835.95x = 51,667,511,237,847,688
  5. Step 5: Solve for x
    x = 51,667,511,237,847,688/260,957,835.95
  6. Step 6: Final answer
    x = 197,991,798.37

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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.