Home / 278,026,454.75-383,567,283.56-158,885,129.32

Finding the Fourth Proportional to 278,026,454.75, 383,567,283.56 and 158,885,129.32

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Solution

The fourth proportional to 278,026,454.75, 383,567,283.56 and 158,885,129.32 is: 219,199,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,026,454.75 : 383,567,283.56 = 158,885,129.32 : x
  2. Step 2: Convert to fraction form
    278,026,454.75/383,567,283.56 = 158,885,129.32/x
  3. Step 3: Cross multiply
    278,026,454.75x = 383,567,283.56 × 158,885,129.32
  4. Step 4: Simplify right side
    278,026,454.75x = 60,943,137,450,790,000
  5. Step 5: Solve for x
    x = 60,943,137,450,790,000/278,026,454.75
  6. Step 6: Final answer
    x = 219,199,059.70

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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.