Home / 78,168,498.93-117,253,590.33-23,581,557.37

Finding the Fourth Proportional to 78,168,498.93, 117,253,590.33 and 23,581,557.37

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Solution

The fourth proportional to 78,168,498.93, 117,253,590.33 and 23,581,557.37 is: 35,372,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,168,498.93 : 117,253,590.33 = 23,581,557.37 : x
  2. Step 2: Convert to fraction form
    78,168,498.93/117,253,590.33 = 23,581,557.37/x
  3. Step 3: Cross multiply
    78,168,498.93x = 117,253,590.33 × 23,581,557.37
  4. Step 4: Simplify right side
    78,168,498.93x = 2,765,022,266,619,104
  5. Step 5: Solve for x
    x = 2,765,022,266,619,104/78,168,498.93
  6. Step 6: Final answer
    x = 35,372,590.04

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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.