Home / 219,612,139.80-329,323,731.30-110,395,109.40

Finding the Fourth Proportional to 219,612,139.80, 329,323,731.30 and 110,395,109.40

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Solution

The fourth proportional to 219,612,139.80, 329,323,731.30 and 110,395,109.40 is: 165,545,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,612,139.80 : 329,323,731.30 = 110,395,109.40 : x
  2. Step 2: Convert to fraction form
    219,612,139.80/329,323,731.30 = 110,395,109.40/x
  3. Step 3: Cross multiply
    219,612,139.80x = 329,323,731.30 × 110,395,109.40
  4. Step 4: Simplify right side
    219,612,139.80x = 36,355,729,344,879,704
  5. Step 5: Solve for x
    x = 36,355,729,344,879,704/219,612,139.80
  6. Step 6: Final answer
    x = 165,545,171.49

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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.