Home / 100,941,783.12-151,416,076.68-28,160,341.20

Finding the Fourth Proportional to 100,941,783.12, 151,416,076.68 and 28,160,341.20

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Solution

The fourth proportional to 100,941,783.12, 151,416,076.68 and 28,160,341.20 is: 42,241,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,941,783.12 : 151,416,076.68 = 28,160,341.20 : x
  2. Step 2: Convert to fraction form
    100,941,783.12/151,416,076.68 = 28,160,341.20/x
  3. Step 3: Cross multiply
    100,941,783.12x = 151,416,076.68 × 28,160,341.20
  4. Step 4: Simplify right side
    100,941,783.12x = 4,263,928,382,474,163.50
  5. Step 5: Solve for x
    x = 4,263,928,382,474,163.50/100,941,783.12
  6. Step 6: Final answer
    x = 42,241,460.88

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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.