Home / 79,156,348,243.86-109,235,830,964.76-43,027,380,667.56

Finding the Fourth Proportional to 79,156,348,243.86, 109,235,830,964.76 and 43,027,380,667.56

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Solution

The fourth proportional to 79,156,348,243.86, 109,235,830,964.76 and 43,027,380,667.56 is: 59,377,823,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,156,348,243.86 : 109,235,830,964.76 = 43,027,380,667.56 : x
  2. Step 2: Convert to fraction form
    79,156,348,243.86/109,235,830,964.76 = 43,027,380,667.56/x
  3. Step 3: Cross multiply
    79,156,348,243.86x = 109,235,830,964.76 × 43,027,380,667.56
  4. Step 4: Simplify right side
    79,156,348,243.86x = 4,700,131,681,457,965,891,584
  5. Step 5: Solve for x
    x = 4,700,131,681,457,965,891,584/79,156,348,243.86
  6. Step 6: Final answer
    x = 59,377,823,582.49

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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.