Home / 99,409,034.98-149,122,171.77-30,337,390.54

Finding the Fourth Proportional to 99,409,034.98, 149,122,171.77 and 30,337,390.54

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Solution

The fourth proportional to 99,409,034.98, 149,122,171.77 and 30,337,390.54 is: 45,508,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,409,034.98 : 149,122,171.77 = 30,337,390.54 : x
  2. Step 2: Convert to fraction form
    99,409,034.98/149,122,171.77 = 30,337,390.54/x
  3. Step 3: Cross multiply
    99,409,034.98x = 149,122,171.77 × 30,337,390.54
  4. Step 4: Simplify right side
    99,409,034.98x = 4,523,977,563,159,453
  5. Step 5: Solve for x
    x = 4,523,977,563,159,453/99,409,034.98
  6. Step 6: Final answer
    x = 45,508,716.23

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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.