Home / 221,383,615,638.74-305,509,684,200.32-119,885,676,009.25

Finding the Fourth Proportional to 221,383,615,638.74, 305,509,684,200.32 and 119,885,676,009.25

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Solution

The fourth proportional to 221,383,615,638.74, 305,509,684,200.32 and 119,885,676,009.25 is: 165,442,392,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,383,615,638.74 : 305,509,684,200.32 = 119,885,676,009.25 : x
  2. Step 2: Convert to fraction form
    221,383,615,638.74/305,509,684,200.32 = 119,885,676,009.25/x
  3. Step 3: Cross multiply
    221,383,615,638.74x = 305,509,684,200.32 × 119,885,676,009.25
  4. Step 4: Simplify right side
    221,383,615,638.74x = 36,626,235,017,727,846,645,760
  5. Step 5: Solve for x
    x = 36,626,235,017,727,846,645,760/221,383,615,638.74
  6. Step 6: Final answer
    x = 165,442,392,437.46

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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.