Home / 219,996,455.20-329,994,682.80-74,434,765.30

Finding the Fourth Proportional to 219,996,455.20, 329,994,682.80 and 74,434,765.30

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Solution

The fourth proportional to 219,996,455.20, 329,994,682.80 and 74,434,765.30 is: 111,652,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,996,455.20 : 329,994,682.80 = 74,434,765.30 : x
  2. Step 2: Convert to fraction form
    219,996,455.20/329,994,682.80 = 74,434,765.30/x
  3. Step 3: Cross multiply
    219,996,455.20x = 329,994,682.80 × 74,434,765.30
  4. Step 4: Simplify right side
    219,996,455.20x = 24,563,076,764,465,948
  5. Step 5: Solve for x
    x = 24,563,076,764,465,948/219,996,455.20
  6. Step 6: Final answer
    x = 111,652,147.95

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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.