Home / 99,408,034.30-149,023,405.05-38,809,666.30

Finding the Fourth Proportional to 99,408,034.30, 149,023,405.05 and 38,809,666.30

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Solution

The fourth proportional to 99,408,034.30, 149,023,405.05 and 38,809,666.30 is: 58,179,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,408,034.30 : 149,023,405.05 = 38,809,666.30 : x
  2. Step 2: Convert to fraction form
    99,408,034.30/149,023,405.05 = 38,809,666.30/x
  3. Step 3: Cross multiply
    99,408,034.30x = 149,023,405.05 × 38,809,666.30
  4. Step 4: Simplify right side
    99,408,034.30x = 5,783,548,620,880,235
  5. Step 5: Solve for x
    x = 5,783,548,620,880,235/99,408,034.30
  6. Step 6: Final answer
    x = 58,179,891.21

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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.