Home / 154,095,674.40-212,651,979.36-84,479,560.56

Finding the Fourth Proportional to 154,095,674.40, 212,651,979.36 and 84,479,560.56

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Solution

The fourth proportional to 154,095,674.40, 212,651,979.36 and 84,479,560.56 is: 116,581,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,095,674.40 : 212,651,979.36 = 84,479,560.56 : x
  2. Step 2: Convert to fraction form
    154,095,674.40/212,651,979.36 = 84,479,560.56/x
  3. Step 3: Cross multiply
    154,095,674.40x = 212,651,979.36 × 84,479,560.56
  4. Step 4: Simplify right side
    154,095,674.40x = 17,964,745,768,546,992
  5. Step 5: Solve for x
    x = 17,964,745,768,546,992/154,095,674.40
  6. Step 6: Final answer
    x = 116,581,765.44

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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.