Home / 234,279,261.64-323,304,823.20-128,432,488.96

Finding the Fourth Proportional to 234,279,261.64, 323,304,823.20 and 128,432,488.96

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Solution

The fourth proportional to 234,279,261.64, 323,304,823.20 and 128,432,488.96 is: 177,236,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,279,261.64 : 323,304,823.20 = 128,432,488.96 : x
  2. Step 2: Convert to fraction form
    234,279,261.64/323,304,823.20 = 128,432,488.96/x
  3. Step 3: Cross multiply
    234,279,261.64x = 323,304,823.20 × 128,432,488.96
  4. Step 4: Simplify right side
    234,279,261.64x = 41,522,843,136,348,752
  5. Step 5: Solve for x
    x = 41,522,843,136,348,752/234,279,261.64
  6. Step 6: Final answer
    x = 177,236,528.94

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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.