Home / 161,697,536.49-242,449,339.86-74,149,379.03

Finding the Fourth Proportional to 161,697,536.49, 242,449,339.86 and 74,149,379.03

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Solution

The fourth proportional to 161,697,536.49, 242,449,339.86 and 74,149,379.03 is: 111,179,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,697,536.49 : 242,449,339.86 = 74,149,379.03 : x
  2. Step 2: Convert to fraction form
    161,697,536.49/242,449,339.86 = 74,149,379.03/x
  3. Step 3: Cross multiply
    161,697,536.49x = 242,449,339.86 × 74,149,379.03
  4. Step 4: Simplify right side
    161,697,536.49x = 17,977,467,995,640,182
  5. Step 5: Solve for x
    x = 17,977,467,995,640,182/161,697,536.49
  6. Step 6: Final answer
    x = 111,179,603.51

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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.