Home / 205,935,354.35-308,898,308.32-103,671,930.35

Finding the Fourth Proportional to 205,935,354.35, 308,898,308.32 and 103,671,930.35

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Solution

The fourth proportional to 205,935,354.35, 308,898,308.32 and 103,671,930.35 is: 155,505,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,935,354.35 : 308,898,308.32 = 103,671,930.35 : x
  2. Step 2: Convert to fraction form
    205,935,354.35/308,898,308.32 = 103,671,930.35/x
  3. Step 3: Cross multiply
    205,935,354.35x = 308,898,308.32 × 103,671,930.35
  4. Step 4: Simplify right side
    205,935,354.35x = 32,024,083,905,383,864
  5. Step 5: Solve for x
    x = 32,024,083,905,383,864/205,935,354.35
  6. Step 6: Final answer
    x = 155,505,517.77

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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.