Home / 306,467,066.60-422,933,541.54-167,246,818.28

Finding the Fourth Proportional to 306,467,066.60, 422,933,541.54 and 167,246,818.28

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Solution

The fourth proportional to 306,467,066.60, 422,933,541.54 and 167,246,818.28 is: 230,805,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,467,066.60 : 422,933,541.54 = 167,246,818.28 : x
  2. Step 2: Convert to fraction form
    306,467,066.60/422,933,541.54 = 167,246,818.28/x
  3. Step 3: Cross multiply
    306,467,066.60x = 422,933,541.54 × 167,246,818.28
  4. Step 4: Simplify right side
    306,467,066.60x = 70,734,289,166,457,216
  5. Step 5: Solve for x
    x = 70,734,289,166,457,216/306,467,066.60
  6. Step 6: Final answer
    x = 230,805,515.10

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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.