Home / 188,625,985.92-260,303,820.48-104,992,313.04

Finding the Fourth Proportional to 188,625,985.92, 260,303,820.48 and 104,992,313.04

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Solution

The fourth proportional to 188,625,985.92, 260,303,820.48 and 104,992,313.04 is: 144,889,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,625,985.92 : 260,303,820.48 = 104,992,313.04 : x
  2. Step 2: Convert to fraction form
    188,625,985.92/260,303,820.48 = 104,992,313.04/x
  3. Step 3: Cross multiply
    188,625,985.92x = 260,303,820.48 × 104,992,313.04
  4. Step 4: Simplify right side
    188,625,985.92x = 27,329,900,205,344,124
  5. Step 5: Solve for x
    x = 27,329,900,205,344,124/188,625,985.92
  6. Step 6: Final answer
    x = 144,889,369.68

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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.