Home / 178,729,702.88-246,671,853.54-100,419,317.60

Finding the Fourth Proportional to 178,729,702.88, 246,671,853.54 and 100,419,317.60

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Solution

The fourth proportional to 178,729,702.88, 246,671,853.54 and 100,419,317.60 is: 138,592,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,729,702.88 : 246,671,853.54 = 100,419,317.60 : x
  2. Step 2: Convert to fraction form
    178,729,702.88/246,671,853.54 = 100,419,317.60/x
  3. Step 3: Cross multiply
    178,729,702.88x = 246,671,853.54 × 100,419,317.60
  4. Step 4: Simplify right side
    178,729,702.88x = 24,770,619,203,613,940
  5. Step 5: Solve for x
    x = 24,770,619,203,613,940/178,729,702.88
  6. Step 6: Final answer
    x = 138,592,627.89

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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.