Home / 136,555,920.19-188,461,773.77-83,667,726.66

Finding the Fourth Proportional to 136,555,920.19, 188,461,773.77 and 83,667,726.66

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Solution

The fourth proportional to 136,555,920.19, 188,461,773.77 and 83,667,726.66 is: 115,470,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555,920.19 : 188,461,773.77 = 83,667,726.66 : x
  2. Step 2: Convert to fraction form
    136,555,920.19/188,461,773.77 = 83,667,726.66/x
  3. Step 3: Cross multiply
    136,555,920.19x = 188,461,773.77 × 83,667,726.66
  4. Step 4: Simplify right side
    136,555,920.19x = 15,768,168,173,647,118
  5. Step 5: Solve for x
    x = 15,768,168,173,647,118/136,555,920.19
  6. Step 6: Final answer
    x = 115,470,410.60

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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.