Home / 259,348,432.17-357,899,766.40-140,271,157.36

Finding the Fourth Proportional to 259,348,432.17, 357,899,766.40 and 140,271,157.36

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Solution

The fourth proportional to 259,348,432.17, 357,899,766.40 and 140,271,157.36 is: 193,573,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,348,432.17 : 357,899,766.40 = 140,271,157.36 : x
  2. Step 2: Convert to fraction form
    259,348,432.17/357,899,766.40 = 140,271,157.36/x
  3. Step 3: Cross multiply
    259,348,432.17x = 357,899,766.40 × 140,271,157.36
  4. Step 4: Simplify right side
    259,348,432.17x = 50,203,014,451,801,640
  5. Step 5: Solve for x
    x = 50,203,014,451,801,640/259,348,432.17
  6. Step 6: Final answer
    x = 193,573,618.44

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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.