Home / 70,102,593.14-105,059,895.92-54,559,190.66

Finding the Fourth Proportional to 70,102,593.14, 105,059,895.92 and 54,559,190.66

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Solution

The fourth proportional to 70,102,593.14, 105,059,895.92 and 54,559,190.66 is: 81,765,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,593.14 : 105,059,895.92 = 54,559,190.66 : x
  2. Step 2: Convert to fraction form
    70,102,593.14/105,059,895.92 = 54,559,190.66/x
  3. Step 3: Cross multiply
    70,102,593.14x = 105,059,895.92 × 54,559,190.66
  4. Step 4: Simplify right side
    70,102,593.14x = 5,731,982,892,219,036
  5. Step 5: Solve for x
    x = 5,731,982,892,219,036/70,102,593.14
  6. Step 6: Final answer
    x = 81,765,632.85

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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.