Home / 231,962,511.84-320,099,657.40-127,534,369.92

Finding the Fourth Proportional to 231,962,511.84, 320,099,657.40 and 127,534,369.92

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Solution

The fourth proportional to 231,962,511.84, 320,099,657.40 and 127,534,369.92 is: 175,992,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,962,511.84 : 320,099,657.40 = 127,534,369.92 : x
  2. Step 2: Convert to fraction form
    231,962,511.84/320,099,657.40 = 127,534,369.92/x
  3. Step 3: Cross multiply
    231,962,511.84x = 320,099,657.40 × 127,534,369.92
  4. Step 4: Simplify right side
    231,962,511.84x = 40,823,708,118,116,864
  5. Step 5: Solve for x
    x = 40,823,708,118,116,864/231,962,511.84
  6. Step 6: Final answer
    x = 175,992,697.24

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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.