Home / 255,987,201.42-353,200,903.38-155,513,630.26

Finding the Fourth Proportional to 255,987,201.42, 353,200,903.38 and 155,513,630.26

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Solution

The fourth proportional to 255,987,201.42, 353,200,903.38 and 155,513,630.26 is: 214,571,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,987,201.42 : 353,200,903.38 = 155,513,630.26 : x
  2. Step 2: Convert to fraction form
    255,987,201.42/353,200,903.38 = 155,513,630.26/x
  3. Step 3: Cross multiply
    255,987,201.42x = 353,200,903.38 × 155,513,630.26
  4. Step 4: Simplify right side
    255,987,201.42x = 54,927,554,696,176,800
  5. Step 5: Solve for x
    x = 54,927,554,696,176,800/255,987,201.42
  6. Step 6: Final answer
    x = 214,571,487.92

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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.