Home / 114,940,442.40-172,494,644.40-80,928,218.40

Finding the Fourth Proportional to 114,940,442.40, 172,494,644.40 and 80,928,218.40

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Solution

The fourth proportional to 114,940,442.40, 172,494,644.40 and 80,928,218.40 is: 121,451,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940,442.40 : 172,494,644.40 = 80,928,218.40 : x
  2. Step 2: Convert to fraction form
    114,940,442.40/172,494,644.40 = 80,928,218.40/x
  3. Step 3: Cross multiply
    114,940,442.40x = 172,494,644.40 × 80,928,218.40
  4. Step 4: Simplify right side
    114,940,442.40x = 13,959,684,254,833,538
  5. Step 5: Solve for x
    x = 13,959,684,254,833,538/114,940,442.40
  6. Step 6: Final answer
    x = 121,451,457.50

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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.