Home / 231,962,505.84-320,099,649.12-127,534,363.92

Finding the Fourth Proportional to 231,962,505.84, 320,099,649.12 and 127,534,363.92

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Solution

The fourth proportional to 231,962,505.84, 320,099,649.12 and 127,534,363.92 is: 175,992,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,962,505.84 : 320,099,649.12 = 127,534,363.92 : x
  2. Step 2: Convert to fraction form
    231,962,505.84/320,099,649.12 = 127,534,363.92/x
  3. Step 3: Cross multiply
    231,962,505.84x = 320,099,649.12 × 127,534,363.92
  4. Step 4: Simplify right side
    231,962,505.84x = 40,823,705,141,534,392
  5. Step 5: Solve for x
    x = 40,823,705,141,534,392/231,962,505.84
  6. Step 6: Final answer
    x = 175,992,688.96

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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.