Home / 112,158,345.34-168,296,791.70-79,579,460.33

Finding the Fourth Proportional to 112,158,345.34, 168,296,791.70 and 79,579,460.33

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Solution

The fourth proportional to 112,158,345.34, 168,296,791.70 and 79,579,460.33 is: 119,411,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158,345.34 : 168,296,791.70 = 79,579,460.33 : x
  2. Step 2: Convert to fraction form
    112,158,345.34/168,296,791.70 = 79,579,460.33/x
  3. Step 3: Cross multiply
    112,158,345.34x = 168,296,791.70 × 79,579,460.33
  4. Step 4: Simplify right side
    112,158,345.34x = 13,392,967,858,756,422
  5. Step 5: Solve for x
    x = 13,392,967,858,756,422/112,158,345.34
  6. Step 6: Final answer
    x = 119,411,246.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.