Home / 188,619,089.57-260,294,356.13-104,985,425.36

Finding the Fourth Proportional to 188,619,089.57, 260,294,356.13 and 104,985,425.36

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Solution

The fourth proportional to 188,619,089.57, 260,294,356.13 and 104,985,425.36 is: 144,879,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,619,089.57 : 260,294,356.13 = 104,985,425.36 : x
  2. Step 2: Convert to fraction form
    188,619,089.57/260,294,356.13 = 104,985,425.36/x
  3. Step 3: Cross multiply
    188,619,089.57x = 260,294,356.13 × 104,985,425.36
  4. Step 4: Simplify right side
    188,619,089.57x = 27,327,113,697,634,876
  5. Step 5: Solve for x
    x = 27,327,113,697,634,876/188,619,089.57
  6. Step 6: Final answer
    x = 144,879,893.97

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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.