Home / 55,375,166,727.75-76,416,733,959.89-31,288,671,199.35

Finding the Fourth Proportional to 55,375,166,727.75, 76,416,733,959.89 and 31,288,671,199.35

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Solution

The fourth proportional to 55,375,166,727.75, 76,416,733,959.89 and 31,288,671,199.35 is: 43,177,803,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375,166,727.75 : 76,416,733,959.89 = 31,288,671,199.35 : x
  2. Step 2: Convert to fraction form
    55,375,166,727.75/76,416,733,959.89 = 31,288,671,199.35/x
  3. Step 3: Cross multiply
    55,375,166,727.75x = 76,416,733,959.89 × 31,288,671,199.35
  4. Step 4: Simplify right side
    55,375,166,727.75x = 2,390,978,062,999,044,489,216
  5. Step 5: Solve for x
    x = 2,390,978,062,999,044,489,216/55,375,166,727.75
  6. Step 6: Final answer
    x = 43,177,803,414.19

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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.