Home / 269,316,628.34-403,986,943.47-82,556,807.54

Finding the Fourth Proportional to 269,316,628.34, 403,986,943.47 and 82,556,807.54

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Solution

The fourth proportional to 269,316,628.34, 403,986,943.47 and 82,556,807.54 is: 123,838,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,316,628.34 : 403,986,943.47 = 82,556,807.54 : x
  2. Step 2: Convert to fraction form
    269,316,628.34/403,986,943.47 = 82,556,807.54/x
  3. Step 3: Cross multiply
    269,316,628.34x = 403,986,943.47 × 82,556,807.54
  4. Step 4: Simplify right side
    269,316,628.34x = 33,351,872,340,725,656
  5. Step 5: Solve for x
    x = 33,351,872,340,725,656/269,316,628.34
  6. Step 6: Final answer
    x = 123,838,890.11

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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.