Home / 256,244,710.73-353,615,940-138,767,352.63

Finding the Fourth Proportional to 256,244,710.73, 353,615,940 and 138,767,352.63

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Solution

The fourth proportional to 256,244,710.73, 353,615,940 and 138,767,352.63 is: 191,497,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,710.73 : 353,615,940 = 138,767,352.63 : x
  2. Step 2: Convert to fraction form
    256,244,710.73/353,615,940 = 138,767,352.63/x
  3. Step 3: Cross multiply
    256,244,710.73x = 353,615,940 × 138,767,352.63
  4. Step 4: Simplify right side
    256,244,710.73x = 49,070,347,841,568,920
  5. Step 5: Solve for x
    x = 49,070,347,841,568,920/256,244,710.73
  6. Step 6: Final answer
    x = 191,497,993.08

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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.