Home / 161,540,187,758.35-242,315,218,060.11-55,420,765,448.33

Finding the Fourth Proportional to 161,540,187,758.35, 242,315,218,060.11 and 55,420,765,448.33

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Solution

The fourth proportional to 161,540,187,758.35, 242,315,218,060.11 and 55,420,765,448.33 is: 83,132,841,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,540,187,758.35 : 242,315,218,060.11 = 55,420,765,448.33 : x
  2. Step 2: Convert to fraction form
    161,540,187,758.35/242,315,218,060.11 = 55,420,765,448.33/x
  3. Step 3: Cross multiply
    161,540,187,758.35x = 242,315,218,060.11 × 55,420,765,448.33
  4. Step 4: Simplify right side
    161,540,187,758.35x = 13,429,294,864,669,081,600,000
  5. Step 5: Solve for x
    x = 13,429,294,864,669,081,600,000/161,540,187,758.35
  6. Step 6: Final answer
    x = 83,132,841,746.84

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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.