Home / 256,556,509.89-384,795,881.39-69,825,004.13

Finding the Fourth Proportional to 256,556,509.89, 384,795,881.39 and 69,825,004.13

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Solution

The fourth proportional to 256,556,509.89, 384,795,881.39 and 69,825,004.13 is: 104,726,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,556,509.89 : 384,795,881.39 = 69,825,004.13 : x
  2. Step 2: Convert to fraction form
    256,556,509.89/384,795,881.39 = 69,825,004.13/x
  3. Step 3: Cross multiply
    256,556,509.89x = 384,795,881.39 × 69,825,004.13
  4. Step 4: Simplify right side
    256,556,509.89x = 26,868,374,007,263,736
  5. Step 5: Solve for x
    x = 26,868,374,007,263,736/256,556,509.89
  6. Step 6: Final answer
    x = 104,726,923.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.