Home / 84,168,777.58-126,289,538-45,261,754.76

Finding the Fourth Proportional to 84,168,777.58, 126,289,538 and 45,261,754.76

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Solution

The fourth proportional to 84,168,777.58, 126,289,538 and 45,261,754.76 is: 67,912,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,168,777.58 : 126,289,538 = 45,261,754.76 : x
  2. Step 2: Convert to fraction form
    84,168,777.58/126,289,538 = 45,261,754.76/x
  3. Step 3: Cross multiply
    84,168,777.58x = 126,289,538 × 45,261,754.76
  4. Step 4: Simplify right side
    84,168,777.58x = 5,716,086,097,709,701
  5. Step 5: Solve for x
    x = 5,716,086,097,709,701/84,168,777.58
  6. Step 6: Final answer
    x = 67,912,190.98

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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.