Home / 99,961,718.09-149,958,551.51-30,858,278.78

Finding the Fourth Proportional to 99,961,718.09, 149,958,551.51 and 30,858,278.78

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Solution

The fourth proportional to 99,961,718.09, 149,958,551.51 and 30,858,278.78 is: 46,292,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,961,718.09 : 149,958,551.51 = 30,858,278.78 : x
  2. Step 2: Convert to fraction form
    99,961,718.09/149,958,551.51 = 30,858,278.78/x
  3. Step 3: Cross multiply
    99,961,718.09x = 149,958,551.51 × 30,858,278.78
  4. Step 4: Simplify right side
    99,961,718.09x = 4,627,462,788,631,874
  5. Step 5: Solve for x
    x = 4,627,462,788,631,874/99,961,718.09
  6. Step 6: Final answer
    x = 46,292,349.48

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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.