Home / 203,108,780.86-304,450,554.07-85,001,214.86

Finding the Fourth Proportional to 203,108,780.86, 304,450,554.07 and 85,001,214.86

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Solution

The fourth proportional to 203,108,780.86, 304,450,554.07 and 85,001,214.86 is: 127,412,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,108,780.86 : 304,450,554.07 = 85,001,214.86 : x
  2. Step 2: Convert to fraction form
    203,108,780.86/304,450,554.07 = 85,001,214.86/x
  3. Step 3: Cross multiply
    203,108,780.86x = 304,450,554.07 × 85,001,214.86
  4. Step 4: Simplify right side
    203,108,780.86x = 25,878,666,961,711,480
  5. Step 5: Solve for x
    x = 25,878,666,961,711,480/203,108,780.86
  6. Step 6: Final answer
    x = 127,412,841.79

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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.