Home / 53,872,929.72-80,809,394.58-19,779,524.28

Finding the Fourth Proportional to 53,872,929.72, 80,809,394.58 and 19,779,524.28

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Solution

The fourth proportional to 53,872,929.72, 80,809,394.58 and 19,779,524.28 is: 29,669,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,872,929.72 : 80,809,394.58 = 19,779,524.28 : x
  2. Step 2: Convert to fraction form
    53,872,929.72/80,809,394.58 = 19,779,524.28/x
  3. Step 3: Cross multiply
    53,872,929.72x = 80,809,394.58 × 19,779,524.28
  4. Step 4: Simplify right side
    53,872,929.72x = 1,598,371,382,147,210.50
  5. Step 5: Solve for x
    x = 1,598,371,382,147,210.50/53,872,929.72
  6. Step 6: Final answer
    x = 29,669,286.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.