Home / 120,036,266.76-165,647,888.83-67,824,181.43

Finding the Fourth Proportional to 120,036,266.76, 165,647,888.83 and 67,824,181.43

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Solution

The fourth proportional to 120,036,266.76, 165,647,888.83 and 67,824,181.43 is: 93,596,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,036,266.76 : 165,647,888.83 = 67,824,181.43 : x
  2. Step 2: Convert to fraction form
    120,036,266.76/165,647,888.83 = 67,824,181.43/x
  3. Step 3: Cross multiply
    120,036,266.76x = 165,647,888.83 × 67,824,181.43
  4. Step 4: Simplify right side
    120,036,266.76x = 11,234,932,465,502,392
  5. Step 5: Solve for x
    x = 11,234,932,465,502,392/120,036,266.76
  6. Step 6: Final answer
    x = 93,596,150.30

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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.