Home / 72,731,517.88-109,094,619.54-21,612,208.04

Finding the Fourth Proportional to 72,731,517.88, 109,094,619.54 and 21,612,208.04

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Solution

The fourth proportional to 72,731,517.88, 109,094,619.54 and 21,612,208.04 is: 32,417,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,731,517.88 : 109,094,619.54 = 21,612,208.04 : x
  2. Step 2: Convert to fraction form
    72,731,517.88/109,094,619.54 = 21,612,208.04/x
  3. Step 3: Cross multiply
    72,731,517.88x = 109,094,619.54 × 21,612,208.04
  4. Step 4: Simplify right side
    72,731,517.88x = 2,357,775,613,543,129
  5. Step 5: Solve for x
    x = 2,357,775,613,543,129/72,731,517.88
  6. Step 6: Final answer
    x = 32,417,522.45

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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.