Home / 77,392,383.64-106,798,287.34-42,110,333.96

Finding the Fourth Proportional to 77,392,383.64, 106,798,287.34 and 42,110,333.96

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Solution

The fourth proportional to 77,392,383.64, 106,798,287.34 and 42,110,333.96 is: 58,110,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392,383.64 : 106,798,287.34 = 42,110,333.96 : x
  2. Step 2: Convert to fraction form
    77,392,383.64/106,798,287.34 = 42,110,333.96/x
  3. Step 3: Cross multiply
    77,392,383.64x = 106,798,287.34 × 42,110,333.96
  4. Step 4: Simplify right side
    77,392,383.64x = 4,497,311,546,243,440.50
  5. Step 5: Solve for x
    x = 4,497,311,546,243,440.50/77,392,383.64
  6. Step 6: Final answer
    x = 58,110,518.56

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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.