Home / 219,863,043.40-329,710,584.30-66,458,115.40

Finding the Fourth Proportional to 219,863,043.40, 329,710,584.30 and 66,458,115.40

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Solution

The fourth proportional to 219,863,043.40, 329,710,584.30 and 66,458,115.40 is: 99,661,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,863,043.40 : 329,710,584.30 = 66,458,115.40 : x
  2. Step 2: Convert to fraction form
    219,863,043.40/329,710,584.30 = 66,458,115.40/x
  3. Step 3: Cross multiply
    219,863,043.40x = 329,710,584.30 × 66,458,115.40
  4. Step 4: Simplify right side
    219,863,043.40x = 21,911,944,060,010,828
  5. Step 5: Solve for x
    x = 21,911,944,060,010,828/219,863,043.40
  6. Step 6: Final answer
    x = 99,661,788.18

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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.