Home / 406,517,961.54-609,346,573.38-136,739,186.70

Finding the Fourth Proportional to 406,517,961.54, 609,346,573.38 and 136,739,186.70

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Solution

The fourth proportional to 406,517,961.54, 609,346,573.38 and 136,739,186.70 is: 204,964,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,517,961.54 : 609,346,573.38 = 136,739,186.70 : x
  2. Step 2: Convert to fraction form
    406,517,961.54/609,346,573.38 = 136,739,186.70/x
  3. Step 3: Cross multiply
    406,517,961.54x = 609,346,573.38 × 136,739,186.70
  4. Step 4: Simplify right side
    406,517,961.54x = 83,321,554,863,576,624
  5. Step 5: Solve for x
    x = 83,321,554,863,576,624/406,517,961.54
  6. Step 6: Final answer
    x = 204,964,018.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.