Home / 231,883,533.64-319,997,390.16-127,460,494.72

Finding the Fourth Proportional to 231,883,533.64, 319,997,390.16 and 127,460,494.72

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Solution

The fourth proportional to 231,883,533.64, 319,997,390.16 and 127,460,494.72 is: 175,894,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,883,533.64 : 319,997,390.16 = 127,460,494.72 : x
  2. Step 2: Convert to fraction form
    231,883,533.64/319,997,390.16 = 127,460,494.72/x
  3. Step 3: Cross multiply
    231,883,533.64x = 319,997,390.16 × 127,460,494.72
  4. Step 4: Simplify right side
    231,883,533.64x = 40,787,025,658,902,464
  5. Step 5: Solve for x
    x = 40,787,025,658,902,464/231,883,533.64
  6. Step 6: Final answer
    x = 175,894,445.88

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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.