Home / 192,476,385.60-288,714,578.40-90,439,713.60

Finding the Fourth Proportional to 192,476,385.60, 288,714,578.40 and 90,439,713.60

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Solution

The fourth proportional to 192,476,385.60, 288,714,578.40 and 90,439,713.60 is: 135,659,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,476,385.60 : 288,714,578.40 = 90,439,713.60 : x
  2. Step 2: Convert to fraction form
    192,476,385.60/288,714,578.40 = 90,439,713.60/x
  3. Step 3: Cross multiply
    192,476,385.60x = 288,714,578.40 × 90,439,713.60
  4. Step 4: Simplify right side
    192,476,385.60x = 26,111,263,782,640,744
  5. Step 5: Solve for x
    x = 26,111,263,782,640,744/192,476,385.60
  6. Step 6: Final answer
    x = 135,659,570.40

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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.