Home / 162,021,147-223,591,282.38-88,680,714.36

Finding the Fourth Proportional to 162,021,147, 223,591,282.38 and 88,680,714.36

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Solution

The fourth proportional to 162,021,147, 223,591,282.38 and 88,680,714.36 is: 122,380,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,021,147 : 223,591,282.38 = 88,680,714.36 : x
  2. Step 2: Convert to fraction form
    162,021,147/223,591,282.38 = 88,680,714.36/x
  3. Step 3: Cross multiply
    162,021,147x = 223,591,282.38 × 88,680,714.36
  4. Step 4: Simplify right side
    162,021,147x = 19,828,234,646,126,880
  5. Step 5: Solve for x
    x = 19,828,234,646,126,880/162,021,147
  6. Step 6: Final answer
    x = 122,380,534.97

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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.