Home / 170,348,010.54-255,419,863.52-78,116,206.76

Finding the Fourth Proportional to 170,348,010.54, 255,419,863.52 and 78,116,206.76

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Solution

The fourth proportional to 170,348,010.54, 255,419,863.52 and 78,116,206.76 is: 117,127,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,348,010.54 : 255,419,863.52 = 78,116,206.76 : x
  2. Step 2: Convert to fraction form
    170,348,010.54/255,419,863.52 = 78,116,206.76/x
  3. Step 3: Cross multiply
    170,348,010.54x = 255,419,863.52 × 78,116,206.76
  4. Step 4: Simplify right side
    170,348,010.54x = 19,952,430,869,339,304
  5. Step 5: Solve for x
    x = 19,952,430,869,339,304/170,348,010.54
  6. Step 6: Final answer
    x = 117,127,466.33

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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.