Home / 154,248,423.73-212,866,741.26-84,633,786.16

Finding the Fourth Proportional to 154,248,423.73, 212,866,741.26 and 84,633,786.16

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Solution

The fourth proportional to 154,248,423.73, 212,866,741.26 and 84,633,786.16 is: 116,796,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,248,423.73 : 212,866,741.26 = 84,633,786.16 : x
  2. Step 2: Convert to fraction form
    154,248,423.73/212,866,741.26 = 84,633,786.16/x
  3. Step 3: Cross multiply
    154,248,423.73x = 212,866,741.26 × 84,633,786.16
  4. Step 4: Simplify right side
    154,248,423.73x = 18,015,718,259,842,720
  5. Step 5: Solve for x
    x = 18,015,718,259,842,720/154,248,423.73
  6. Step 6: Final answer
    x = 116,796,773.83

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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.