Home / 255,168,015.20-382,752,022.80-145,881,000.80

Finding the Fourth Proportional to 255,168,015.20, 382,752,022.80 and 145,881,000.80

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Solution

The fourth proportional to 255,168,015.20, 382,752,022.80 and 145,881,000.80 is: 218,821,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,168,015.20 : 382,752,022.80 = 145,881,000.80 : x
  2. Step 2: Convert to fraction form
    255,168,015.20/382,752,022.80 = 145,881,000.80/x
  3. Step 3: Cross multiply
    255,168,015.20x = 382,752,022.80 × 145,881,000.80
  4. Step 4: Simplify right side
    255,168,015.20x = 55,836,248,144,288,424
  5. Step 5: Solve for x
    x = 55,836,248,144,288,424/255,168,015.20
  6. Step 6: Final answer
    x = 218,821,501.20

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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.