Home / 129,162,165.39-193,633,515.36-60,115,065.26

Finding the Fourth Proportional to 129,162,165.39, 193,633,515.36 and 60,115,065.26

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Solution

The fourth proportional to 129,162,165.39, 193,633,515.36 and 60,115,065.26 is: 90,121,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,162,165.39 : 193,633,515.36 = 60,115,065.26 : x
  2. Step 2: Convert to fraction form
    129,162,165.39/193,633,515.36 = 60,115,065.26/x
  3. Step 3: Cross multiply
    129,162,165.39x = 193,633,515.36 × 60,115,065.26
  4. Step 4: Simplify right side
    129,162,165.39x = 11,640,291,411,421,446
  5. Step 5: Solve for x
    x = 11,640,291,411,421,446/129,162,165.39
  6. Step 6: Final answer
    x = 90,121,525.73

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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.