Home / 291,519,494.16-402,299,578.78-166,069,830.84

Finding the Fourth Proportional to 291,519,494.16, 402,299,578.78 and 166,069,830.84

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Solution

The fourth proportional to 291,519,494.16, 402,299,578.78 and 166,069,830.84 is: 229,177,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,519,494.16 : 402,299,578.78 = 166,069,830.84 : x
  2. Step 2: Convert to fraction form
    291,519,494.16/402,299,578.78 = 166,069,830.84/x
  3. Step 3: Cross multiply
    291,519,494.16x = 402,299,578.78 × 166,069,830.84
  4. Step 4: Simplify right side
    291,519,494.16x = 66,809,822,994,997,848
  5. Step 5: Solve for x
    x = 66,809,822,994,997,848/291,519,494.16
  6. Step 6: Final answer
    x = 229,177,891.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.