Home / 48,133,093.16-72,221,687.58-20,847,731.24

Finding the Fourth Proportional to 48,133,093.16, 72,221,687.58 and 20,847,731.24

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Solution

The fourth proportional to 48,133,093.16, 72,221,687.58 and 20,847,731.24 is: 31,281,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,133,093.16 : 72,221,687.58 = 20,847,731.24 : x
  2. Step 2: Convert to fraction form
    48,133,093.16/72,221,687.58 = 20,847,731.24/x
  3. Step 3: Cross multiply
    48,133,093.16x = 72,221,687.58 × 20,847,731.24
  4. Step 4: Simplify right side
    48,133,093.16x = 1,505,658,332,367,085.75
  5. Step 5: Solve for x
    x = 1,505,658,332,367,085.75/48,133,093.16
  6. Step 6: Final answer
    x = 31,281,146.37

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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.