Home / 158,846,886.09-219,184,839.14-89,218,929.69

Finding the Fourth Proportional to 158,846,886.09, 219,184,839.14 and 89,218,929.69

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Solution

The fourth proportional to 158,846,886.09, 219,184,839.14 and 89,218,929.69 is: 123,108,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,846,886.09 : 219,184,839.14 = 89,218,929.69 : x
  2. Step 2: Convert to fraction form
    158,846,886.09/219,184,839.14 = 89,218,929.69/x
  3. Step 3: Cross multiply
    158,846,886.09x = 219,184,839.14 × 89,218,929.69
  4. Step 4: Simplify right side
    158,846,886.09x = 19,555,436,751,899,524
  5. Step 5: Solve for x
    x = 19,555,436,751,899,524/158,846,886.09
  6. Step 6: Final answer
    x = 123,108,719.56

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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.