Home / 171,986,391.72-258,090,575.40-62,802,421.20

Finding the Fourth Proportional to 171,986,391.72, 258,090,575.40 and 62,802,421.20

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Solution

The fourth proportional to 171,986,391.72, 258,090,575.40 and 62,802,421.20 is: 94,244,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,986,391.72 : 258,090,575.40 = 62,802,421.20 : x
  2. Step 2: Convert to fraction form
    171,986,391.72/258,090,575.40 = 62,802,421.20/x
  3. Step 3: Cross multiply
    171,986,391.72x = 258,090,575.40 × 62,802,421.20
  4. Step 4: Simplify right side
    171,986,391.72x = 16,208,713,024,021,160
  5. Step 5: Solve for x
    x = 16,208,713,024,021,160/171,986,391.72
  6. Step 6: Final answer
    x = 94,244,160.03

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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.