Home / 120,033,409.08-165,646,272.57-65,029,265.58

Finding the Fourth Proportional to 120,033,409.08, 165,646,272.57 and 65,029,265.58

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Solution

The fourth proportional to 120,033,409.08, 165,646,272.57 and 65,029,265.58 is: 89,740,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033,409.08 : 165,646,272.57 = 65,029,265.58 : x
  2. Step 2: Convert to fraction form
    120,033,409.08/165,646,272.57 = 65,029,265.58/x
  3. Step 3: Cross multiply
    120,033,409.08x = 165,646,272.57 × 65,029,265.58
  4. Step 4: Simplify right side
    120,033,409.08x = 10,771,855,451,291,598
  5. Step 5: Solve for x
    x = 10,771,855,451,291,598/120,033,409.08
  6. Step 6: Final answer
    x = 89,740,477.54

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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.