Home / 251,199,372.30-346,659,224.40-138,173,330.94

Finding the Fourth Proportional to 251,199,372.30, 346,659,224.40 and 138,173,330.94

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Solution

The fourth proportional to 251,199,372.30, 346,659,224.40 and 138,173,330.94 is: 190,681,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,199,372.30 : 346,659,224.40 = 138,173,330.94 : x
  2. Step 2: Convert to fraction form
    251,199,372.30/346,659,224.40 = 138,173,330.94/x
  3. Step 3: Cross multiply
    251,199,372.30x = 346,659,224.40 × 138,173,330.94
  4. Step 4: Simplify right side
    251,199,372.30x = 47,899,059,736,424,920
  5. Step 5: Solve for x
    x = 47,899,059,736,424,920/251,199,372.30
  6. Step 6: Final answer
    x = 190,681,446.76

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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.