Home / 84,073,297.76-126,146,354.03-45,166,354.52

Finding the Fourth Proportional to 84,073,297.76, 126,146,354.03 and 45,166,354.52

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Solution

The fourth proportional to 84,073,297.76, 126,146,354.03 and 45,166,354.52 is: 67,769,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,073,297.76 : 126,146,354.03 = 45,166,354.52 : x
  2. Step 2: Convert to fraction form
    84,073,297.76/126,146,354.03 = 45,166,354.52/x
  3. Step 3: Cross multiply
    84,073,297.76x = 126,146,354.03 × 45,166,354.52
  4. Step 4: Simplify right side
    84,073,297.76x = 5,697,570,946,667,848
  5. Step 5: Solve for x
    x = 5,697,570,946,667,848/84,073,297.76
  6. Step 6: Final answer
    x = 67,769,090.77

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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.