Home / 254,234,958.60-381,352,437.90-70,002,078.60

Finding the Fourth Proportional to 254,234,958.60, 381,352,437.90 and 70,002,078.60

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Solution

The fourth proportional to 254,234,958.60, 381,352,437.90 and 70,002,078.60 is: 105,003,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,234,958.60 : 381,352,437.90 = 70,002,078.60 : x
  2. Step 2: Convert to fraction form
    254,234,958.60/381,352,437.90 = 70,002,078.60/x
  3. Step 3: Cross multiply
    254,234,958.60x = 381,352,437.90 × 70,002,078.60
  4. Step 4: Simplify right side
    254,234,958.60x = 26,695,463,332,177,416
  5. Step 5: Solve for x
    x = 26,695,463,332,177,416/254,234,958.60
  6. Step 6: Final answer
    x = 105,003,117.90

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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.