Home / 255,168,001.20-382,752,001.80-145,880,986.80

Finding the Fourth Proportional to 255,168,001.20, 382,752,001.80 and 145,880,986.80

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Solution

The fourth proportional to 255,168,001.20, 382,752,001.80 and 145,880,986.80 is: 218,821,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,168,001.20 : 382,752,001.80 = 145,880,986.80 : x
  2. Step 2: Convert to fraction form
    255,168,001.20/382,752,001.80 = 145,880,986.80/x
  3. Step 3: Cross multiply
    255,168,001.20x = 382,752,001.80 × 145,880,986.80
  4. Step 4: Simplify right side
    255,168,001.20x = 55,836,239,722,259,384
  5. Step 5: Solve for x
    x = 55,836,239,722,259,384/255,168,001.20
  6. Step 6: Final answer
    x = 218,821,480.20

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1.5x scale

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.