Home / 275,779,897.32-380,599,009.90-158,327,893.38

Finding the Fourth Proportional to 275,779,897.32, 380,599,009.90 and 158,327,893.38

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Solution

The fourth proportional to 275,779,897.32, 380,599,009.90 and 158,327,893.38 is: 218,505,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,779,897.32 : 380,599,009.90 = 158,327,893.38 : x
  2. Step 2: Convert to fraction form
    275,779,897.32/380,599,009.90 = 158,327,893.38/x
  3. Step 3: Cross multiply
    275,779,897.32x = 380,599,009.90 × 158,327,893.38
  4. Step 4: Simplify right side
    275,779,897.32x = 60,259,439,459,980,760
  5. Step 5: Solve for x
    x = 60,259,439,459,980,760/275,779,897.32
  6. Step 6: Final answer
    x = 218,505,554.78

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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.