Home / 136,555,920.44-188,461,774.13-83,667,726.92

Finding the Fourth Proportional to 136,555,920.44, 188,461,774.13 and 83,667,726.92

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Solution

The fourth proportional to 136,555,920.44, 188,461,774.13 and 83,667,726.92 is: 115,470,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555,920.44 : 188,461,774.13 = 83,667,726.92 : x
  2. Step 2: Convert to fraction form
    136,555,920.44/188,461,774.13 = 83,667,726.92/x
  3. Step 3: Cross multiply
    136,555,920.44x = 188,461,774.13 × 83,667,726.92
  4. Step 4: Simplify right side
    136,555,920.44x = 15,768,168,252,767,560
  5. Step 5: Solve for x
    x = 15,768,168,252,767,560/136,555,920.44
  6. Step 6: Final answer
    x = 115,470,410.96

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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.