Home / 81,066,291.08-121,619,967.42-23,557,327.88

Finding the Fourth Proportional to 81,066,291.08, 121,619,967.42 and 23,557,327.88

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Solution

The fourth proportional to 81,066,291.08, 121,619,967.42 and 23,557,327.88 is: 35,341,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,066,291.08 : 121,619,967.42 = 23,557,327.88 : x
  2. Step 2: Convert to fraction form
    81,066,291.08/121,619,967.42 = 23,557,327.88/x
  3. Step 3: Cross multiply
    81,066,291.08x = 121,619,967.42 × 23,557,327.88
  4. Step 4: Simplify right side
    81,066,291.08x = 2,865,041,449,267,857.50
  5. Step 5: Solve for x
    x = 2,865,041,449,267,857.50/81,066,291.08
  6. Step 6: Final answer
    x = 35,341,957.93

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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.