Home / 189,448,774.29-261,436,548.89-105,818,094.93

Finding the Fourth Proportional to 189,448,774.29, 261,436,548.89 and 105,818,094.93

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Solution

The fourth proportional to 189,448,774.29, 261,436,548.89 and 105,818,094.93 is: 146,027,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,448,774.29 : 261,436,548.89 = 105,818,094.93 : x
  2. Step 2: Convert to fraction form
    189,448,774.29/261,436,548.89 = 105,818,094.93/x
  3. Step 3: Cross multiply
    189,448,774.29x = 261,436,548.89 × 105,818,094.93
  4. Step 4: Simplify right side
    189,448,774.29x = 27,664,717,548,613,608
  5. Step 5: Solve for x
    x = 27,664,717,548,613,608/189,448,774.29
  6. Step 6: Final answer
    x = 146,027,429.59

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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.