Home / 219,405,716.05-302,779,815.29-120,284,335.28

Finding the Fourth Proportional to 219,405,716.05, 302,779,815.29 and 120,284,335.28

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Solution

The fourth proportional to 219,405,716.05, 302,779,815.29 and 120,284,335.28 is: 165,992,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,405,716.05 : 302,779,815.29 = 120,284,335.28 : x
  2. Step 2: Convert to fraction form
    219,405,716.05/302,779,815.29 = 120,284,335.28/x
  3. Step 3: Cross multiply
    219,405,716.05x = 302,779,815.29 × 120,284,335.28
  4. Step 4: Simplify right side
    219,405,716.05x = 36,419,668,816,243,512
  5. Step 5: Solve for x
    x = 36,419,668,816,243,512/219,405,716.05
  6. Step 6: Final answer
    x = 165,992,342.74

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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.