Home / 163,902,186.20-245,853,279.30-82,272,848.60

Finding the Fourth Proportional to 163,902,186.20, 245,853,279.30 and 82,272,848.60

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Solution

The fourth proportional to 163,902,186.20, 245,853,279.30 and 82,272,848.60 is: 123,409,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,902,186.20 : 245,853,279.30 = 82,272,848.60 : x
  2. Step 2: Convert to fraction form
    163,902,186.20/245,853,279.30 = 82,272,848.60/x
  3. Step 3: Cross multiply
    163,902,186.20x = 245,853,279.30 × 82,272,848.60
  4. Step 4: Simplify right side
    163,902,186.20x = 20,227,049,625,662,412
  5. Step 5: Solve for x
    x = 20,227,049,625,662,412/163,902,186.20
  6. Step 6: Final answer
    x = 123,409,272.90

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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.