Home / 188,928,319.20-283,392,478.80-155,335,999.20

Finding the Fourth Proportional to 188,928,319.20, 283,392,478.80 and 155,335,999.20

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Solution

The fourth proportional to 188,928,319.20, 283,392,478.80 and 155,335,999.20 is: 233,003,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,928,319.20 : 283,392,478.80 = 155,335,999.20 : x
  2. Step 2: Convert to fraction form
    188,928,319.20/283,392,478.80 = 155,335,999.20/x
  3. Step 3: Cross multiply
    188,928,319.20x = 283,392,478.80 × 155,335,999.20
  4. Step 4: Simplify right side
    188,928,319.20x = 44,021,053,860,162,816
  5. Step 5: Solve for x
    x = 44,021,053,860,162,816/188,928,319.20
  6. Step 6: Final answer
    x = 233,003,998.80

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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.