Home / 120,033,405.87-165,646,268.19-65,029,262.37

Finding the Fourth Proportional to 120,033,405.87, 165,646,268.19 and 65,029,262.37

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Solution

The fourth proportional to 120,033,405.87, 165,646,268.19 and 65,029,262.37 is: 89,740,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033,405.87 : 165,646,268.19 = 65,029,262.37 : x
  2. Step 2: Convert to fraction form
    120,033,405.87/165,646,268.19 = 65,029,262.37/x
  3. Step 3: Cross multiply
    120,033,405.87x = 165,646,268.19 × 65,029,262.37
  4. Step 4: Simplify right side
    120,033,405.87x = 10,771,854,634,738,894
  5. Step 5: Solve for x
    x = 10,771,854,634,738,894/120,033,405.87
  6. Step 6: Final answer
    x = 89,740,473.13

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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.