Home / 114,927,012.40-172,474,499.40-80,914,788.40

Finding the Fourth Proportional to 114,927,012.40, 172,474,499.40 and 80,914,788.40

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Solution

The fourth proportional to 114,927,012.40, 172,474,499.40 and 80,914,788.40 is: 121,431,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,927,012.40 : 172,474,499.40 = 80,914,788.40 : x
  2. Step 2: Convert to fraction form
    114,927,012.40/172,474,499.40 = 80,914,788.40/x
  3. Step 3: Cross multiply
    114,927,012.40x = 172,474,499.40 × 80,914,788.40
  4. Step 4: Simplify right side
    114,927,012.40x = 13,955,737,623,346,928
  5. Step 5: Solve for x
    x = 13,955,737,623,346,928/114,927,012.40
  6. Step 6: Final answer
    x = 121,431,309.59

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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.