Home / 189,270,443.72-261,193,573.71-104,497,726.56

Finding the Fourth Proportional to 189,270,443.72, 261,193,573.71 and 104,497,726.56

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Solution

The fourth proportional to 189,270,443.72, 261,193,573.71 and 104,497,726.56 is: 144,207,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,270,443.72 : 261,193,573.71 = 104,497,726.56 : x
  2. Step 2: Convert to fraction form
    189,270,443.72/261,193,573.71 = 104,497,726.56/x
  3. Step 3: Cross multiply
    189,270,443.72x = 261,193,573.71 × 104,497,726.56
  4. Step 4: Simplify right side
    189,270,443.72x = 27,294,134,644,776,788
  5. Step 5: Solve for x
    x = 27,294,134,644,776,788/189,270,443.72
  6. Step 6: Final answer
    x = 144,207,062.18

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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.