Home / 256,249,401.48-353,622,288.16-138,772,006.44

Finding the Fourth Proportional to 256,249,401.48, 353,622,288.16 and 138,772,006.44

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Solution

The fourth proportional to 256,249,401.48, 353,622,288.16 and 138,772,006.44 is: 191,504,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,249,401.48 : 353,622,288.16 = 138,772,006.44 : x
  2. Step 2: Convert to fraction form
    256,249,401.48/353,622,288.16 = 138,772,006.44/x
  3. Step 3: Cross multiply
    256,249,401.48x = 353,622,288.16 × 138,772,006.44
  4. Step 4: Simplify right side
    256,249,401.48x = 49,072,874,449,867,056
  5. Step 5: Solve for x
    x = 49,072,874,449,867,056/256,249,401.48
  6. Step 6: Final answer
    x = 191,504,347.59

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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.