Home / 189,035,455.14-260,917,465.41-123,120,208.26

Finding the Fourth Proportional to 189,035,455.14, 260,917,465.41 and 123,120,208.26

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Solution

The fourth proportional to 189,035,455.14, 260,917,465.41 and 123,120,208.26 is: 169,937,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,035,455.14 : 260,917,465.41 = 123,120,208.26 : x
  2. Step 2: Convert to fraction form
    189,035,455.14/260,917,465.41 = 123,120,208.26/x
  3. Step 3: Cross multiply
    189,035,455.14x = 260,917,465.41 × 123,120,208.26
  4. Step 4: Simplify right side
    189,035,455.14x = 32,124,212,679,950,548
  5. Step 5: Solve for x
    x = 32,124,212,679,950,548/189,035,455.14
  6. Step 6: Final answer
    x = 169,937,500.12

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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.