Home / 89,210,418.82-133,815,636.44-31,704,959.68

Finding the Fourth Proportional to 89,210,418.82, 133,815,636.44 and 31,704,959.68

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Solution

The fourth proportional to 89,210,418.82, 133,815,636.44 and 31,704,959.68 is: 47,557,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,210,418.82 : 133,815,636.44 = 31,704,959.68 : x
  2. Step 2: Convert to fraction form
    89,210,418.82/133,815,636.44 = 31,704,959.68/x
  3. Step 3: Cross multiply
    89,210,418.82x = 133,815,636.44 × 31,704,959.68
  4. Step 4: Simplify right side
    89,210,418.82x = 4,242,619,357,883,738.50
  5. Step 5: Solve for x
    x = 4,242,619,357,883,738.50/89,210,418.82
  6. Step 6: Final answer
    x = 47,557,442.44

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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.