Home / 99,213,670.89-148,810,884.12-30,127,072.68

Finding the Fourth Proportional to 99,213,670.89, 148,810,884.12 and 30,127,072.68

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Solution

The fourth proportional to 99,213,670.89, 148,810,884.12 and 30,127,072.68 is: 45,187,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,670.89 : 148,810,884.12 = 30,127,072.68 : x
  2. Step 2: Convert to fraction form
    99,213,670.89/148,810,884.12 = 30,127,072.68/x
  3. Step 3: Cross multiply
    99,213,670.89x = 148,810,884.12 × 30,127,072.68
  4. Step 4: Simplify right side
    99,213,670.89x = 4,483,236,321,458,298
  5. Step 5: Solve for x
    x = 4,483,236,321,458,298/99,213,670.89
  6. Step 6: Final answer
    x = 45,187,687.15

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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.