Home / 189,035,456.14-260,917,466.79-123,120,209.26

Finding the Fourth Proportional to 189,035,456.14, 260,917,466.79 and 123,120,209.26

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Solution

The fourth proportional to 189,035,456.14, 260,917,466.79 and 123,120,209.26 is: 169,937,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,035,456.14 : 260,917,466.79 = 123,120,209.26 : x
  2. Step 2: Convert to fraction form
    189,035,456.14/260,917,466.79 = 123,120,209.26/x
  3. Step 3: Cross multiply
    189,035,456.14x = 260,917,466.79 × 123,120,209.26
  4. Step 4: Simplify right side
    189,035,456.14x = 32,124,213,110,773,900
  5. Step 5: Solve for x
    x = 32,124,213,110,773,900/189,035,456.14
  6. Step 6: Final answer
    x = 169,937,501.50

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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.