Home / 70,102,520.60-105,059,786.97-54,559,117.77

Finding the Fourth Proportional to 70,102,520.60, 105,059,786.97 and 54,559,117.77

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Solution

The fourth proportional to 70,102,520.60, 105,059,786.97 and 54,559,117.77 is: 81,765,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,520.60 : 105,059,786.97 = 54,559,117.77 : x
  2. Step 2: Convert to fraction form
    70,102,520.60/105,059,786.97 = 54,559,117.77/x
  3. Step 3: Cross multiply
    70,102,520.60x = 105,059,786.97 × 54,559,117.77
  4. Step 4: Simplify right side
    70,102,520.60x = 5,731,969,290,050,944
  5. Step 5: Solve for x
    x = 5,731,969,290,050,944/70,102,520.60
  6. Step 6: Final answer
    x = 81,765,523.42

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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.