Home / 219,176,600-302,452,959.84-120,057,787.16

Finding the Fourth Proportional to 219,176,600, 302,452,959.84 and 120,057,787.16

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Solution

The fourth proportional to 219,176,600, 302,452,959.84 and 120,057,787.16 is: 165,673,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,176,600 : 302,452,959.84 = 120,057,787.16 : x
  2. Step 2: Convert to fraction form
    219,176,600/302,452,959.84 = 120,057,787.16/x
  3. Step 3: Cross multiply
    219,176,600x = 302,452,959.84 × 120,057,787.16
  4. Step 4: Simplify right side
    219,176,600x = 36,311,833,078,382,744
  5. Step 5: Solve for x
    x = 36,311,833,078,382,744/219,176,600
  6. Step 6: Final answer
    x = 165,673,858.79

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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.