Home / 250,140,093.34-345,193,361.52-138,638,132.76

Finding the Fourth Proportional to 250,140,093.34, 345,193,361.52 and 138,638,132.76

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Solution

The fourth proportional to 250,140,093.34, 345,193,361.52 and 138,638,132.76 is: 191,320,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140,093.34 : 345,193,361.52 = 138,638,132.76 : x
  2. Step 2: Convert to fraction form
    250,140,093.34/345,193,361.52 = 138,638,132.76/x
  3. Step 3: Cross multiply
    250,140,093.34x = 345,193,361.52 × 138,638,132.76
  4. Step 4: Simplify right side
    250,140,093.34x = 47,856,963,082,280,432
  5. Step 5: Solve for x
    x = 47,856,963,082,280,432/250,140,093.34
  6. Step 6: Final answer
    x = 191,320,641.34

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1.5x scale

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.