Home / 90,217,584.44-135,383,303.76-38,402,104.36

Finding the Fourth Proportional to 90,217,584.44, 135,383,303.76 and 38,402,104.36

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Solution

The fourth proportional to 90,217,584.44, 135,383,303.76 and 38,402,104.36 is: 57,627,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,584.44 : 135,383,303.76 = 38,402,104.36 : x
  2. Step 2: Convert to fraction form
    90,217,584.44/135,383,303.76 = 38,402,104.36/x
  3. Step 3: Cross multiply
    90,217,584.44x = 135,383,303.76 × 38,402,104.36
  4. Step 4: Simplify right side
    90,217,584.44x = 5,199,003,759,593,100
  5. Step 5: Solve for x
    x = 5,199,003,759,593,100/90,217,584.44
  6. Step 6: Final answer
    x = 57,627,388.18

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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.