Home / 258,173,779,081.46-387,148,198,237.92-137,135,846,747.75

Finding the Fourth Proportional to 258,173,779,081.46, 387,148,198,237.92 and 137,135,846,747.75

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Solution

The fourth proportional to 258,173,779,081.46, 387,148,198,237.92 and 137,135,846,747.75 is: 205,644,028,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,173,779,081.46 : 387,148,198,237.92 = 137,135,846,747.75 : x
  2. Step 2: Convert to fraction form
    258,173,779,081.46/387,148,198,237.92 = 137,135,846,747.75/x
  3. Step 3: Cross multiply
    258,173,779,081.46x = 387,148,198,237.92 × 137,135,846,747.75
  4. Step 4: Simplify right side
    258,173,779,081.46x = 53,091,895,982,222,930,345,984
  5. Step 5: Solve for x
    x = 53,091,895,982,222,930,345,984/258,173,779,081.46
  6. Step 6: Final answer
    x = 205,644,028,495.52

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1.5x scale

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.