Home / 231,883,528.64-319,997,383.26-127,460,489.72

Finding the Fourth Proportional to 231,883,528.64, 319,997,383.26 and 127,460,489.72

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Solution

The fourth proportional to 231,883,528.64, 319,997,383.26 and 127,460,489.72 is: 175,894,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,883,528.64 : 319,997,383.26 = 127,460,489.72 : x
  2. Step 2: Convert to fraction form
    231,883,528.64/319,997,383.26 = 127,460,489.72/x
  3. Step 3: Cross multiply
    231,883,528.64x = 319,997,383.26 × 127,460,489.72
  4. Step 4: Simplify right side
    231,883,528.64x = 40,787,023,179,438,128
  5. Step 5: Solve for x
    x = 40,787,023,179,438,128/231,883,528.64
  6. Step 6: Final answer
    x = 175,894,438.98

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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.