Home / 306,320,343.36-422,724,771.72-167,091,724.32

Finding the Fourth Proportional to 306,320,343.36, 422,724,771.72 and 167,091,724.32

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Solution

The fourth proportional to 306,320,343.36, 422,724,771.72 and 167,091,724.32 is: 230,588,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,320,343.36 : 422,724,771.72 = 167,091,724.32 : x
  2. Step 2: Convert to fraction form
    306,320,343.36/422,724,771.72 = 167,091,724.32/x
  3. Step 3: Cross multiply
    306,320,343.36x = 422,724,771.72 × 167,091,724.32
  4. Step 4: Simplify right side
    306,320,343.36x = 70,633,811,019,473,176
  5. Step 5: Solve for x
    x = 70,633,811,019,473,176/306,320,343.36
  6. Step 6: Final answer
    x = 230,588,051.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.