Home / 99,961,719.09-149,958,553.01-30,858,279.78

Finding the Fourth Proportional to 99,961,719.09, 149,958,553.01 and 30,858,279.78

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Solution

The fourth proportional to 99,961,719.09, 149,958,553.01 and 30,858,279.78 is: 46,292,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,961,719.09 : 149,958,553.01 = 30,858,279.78 : x
  2. Step 2: Convert to fraction form
    99,961,719.09/149,958,553.01 = 30,858,279.78/x
  3. Step 3: Cross multiply
    99,961,719.09x = 149,958,553.01 × 30,858,279.78
  4. Step 4: Simplify right side
    99,961,719.09x = 4,627,462,984,186,541
  5. Step 5: Solve for x
    x = 4,627,462,984,186,541/99,961,719.09
  6. Step 6: Final answer
    x = 46,292,350.98

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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.