Home / 219,745,959.12-329,187,976.35-127,435,765.50

Finding the Fourth Proportional to 219,745,959.12, 329,187,976.35 and 127,435,765.50

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Solution

The fourth proportional to 219,745,959.12, 329,187,976.35 and 127,435,765.50 is: 190,903,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,745,959.12 : 329,187,976.35 = 127,435,765.50 : x
  2. Step 2: Convert to fraction form
    219,745,959.12/329,187,976.35 = 127,435,765.50/x
  3. Step 3: Cross multiply
    219,745,959.12x = 329,187,976.35 × 127,435,765.50
  4. Step 4: Simplify right side
    219,745,959.12x = 41,950,321,759,558,152
  5. Step 5: Solve for x
    x = 41,950,321,759,558,152/219,745,959.12
  6. Step 6: Final answer
    x = 190,903,723.22

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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.