Home / 170,405,632.40-255,776,410.20-84,241,331.60

Finding the Fourth Proportional to 170,405,632.40, 255,776,410.20 and 84,241,331.60

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Solution

The fourth proportional to 170,405,632.40, 255,776,410.20 and 84,241,331.60 is: 126,445,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,405,632.40 : 255,776,410.20 = 84,241,331.60 : x
  2. Step 2: Convert to fraction form
    170,405,632.40/255,776,410.20 = 84,241,331.60/x
  3. Step 3: Cross multiply
    170,405,632.40x = 255,776,410.20 × 84,241,331.60
  4. Step 4: Simplify right side
    170,405,632.40x = 21,546,945,387,115,820
  5. Step 5: Solve for x
    x = 21,546,945,387,115,820/170,405,632.40
  6. Step 6: Final answer
    x = 126,445,030.51

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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.