Home / 81,084,175.34-121,670,540.36-34,390,398.26

Finding the Fourth Proportional to 81,084,175.34, 121,670,540.36 and 34,390,398.26

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Solution

The fourth proportional to 81,084,175.34, 121,670,540.36 and 34,390,398.26 is: 51,604,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,084,175.34 : 121,670,540.36 = 34,390,398.26 : x
  2. Step 2: Convert to fraction form
    81,084,175.34/121,670,540.36 = 34,390,398.26/x
  3. Step 3: Cross multiply
    81,084,175.34x = 121,670,540.36 × 34,390,398.26
  4. Step 4: Simplify right side
    81,084,175.34x = 4,184,298,338,709,499.50
  5. Step 5: Solve for x
    x = 4,184,298,338,709,499.50/81,084,175.34
  6. Step 6: Final answer
    x = 51,604,376.83

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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.