Home / 80,542,944.68-111,145,678.44-47,055,527.78

Finding the Fourth Proportional to 80,542,944.68, 111,145,678.44 and 47,055,527.78

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Solution

The fourth proportional to 80,542,944.68, 111,145,678.44 and 47,055,527.78 is: 64,934,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542,944.68 : 111,145,678.44 = 47,055,527.78 : x
  2. Step 2: Convert to fraction form
    80,542,944.68/111,145,678.44 = 47,055,527.78/x
  3. Step 3: Cross multiply
    80,542,944.68x = 111,145,678.44 × 47,055,527.78
  4. Step 4: Simplify right side
    80,542,944.68x = 5,230,018,559,460,367
  5. Step 5: Solve for x
    x = 5,230,018,559,460,367/80,542,944.68
  6. Step 6: Final answer
    x = 64,934,533.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.