Home / 77,079,765,457.35-115,619,181,846.55-41,930,503,508.81

Finding the Fourth Proportional to 77,079,765,457.35, 115,619,181,846.55 and 41,930,503,508.81

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Solution

The fourth proportional to 77,079,765,457.35, 115,619,181,846.55 and 41,930,503,508.81 is: 62,895,501,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,079,765,457.35 : 115,619,181,846.55 = 41,930,503,508.81 : x
  2. Step 2: Convert to fraction form
    77,079,765,457.35/115,619,181,846.55 = 41,930,503,508.81/x
  3. Step 3: Cross multiply
    77,079,765,457.35x = 115,619,181,846.55 × 41,930,503,508.81
  4. Step 4: Simplify right side
    77,079,765,457.35x = 4,847,970,510,102,506,504,192
  5. Step 5: Solve for x
    x = 4,847,970,510,102,506,504,192/77,079,765,457.35
  6. Step 6: Final answer
    x = 62,895,501,579.92

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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.