Home / 192,476,385.10-288,714,577.65-90,439,713.10

Finding the Fourth Proportional to 192,476,385.10, 288,714,577.65 and 90,439,713.10

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Solution

The fourth proportional to 192,476,385.10, 288,714,577.65 and 90,439,713.10 is: 135,659,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,476,385.10 : 288,714,577.65 = 90,439,713.10 : x
  2. Step 2: Convert to fraction form
    192,476,385.10/288,714,577.65 = 90,439,713.10/x
  3. Step 3: Cross multiply
    192,476,385.10x = 288,714,577.65 × 90,439,713.10
  4. Step 4: Simplify right side
    192,476,385.10x = 26,111,263,570,453,668
  5. Step 5: Solve for x
    x = 26,111,263,570,453,668/192,476,385.10
  6. Step 6: Final answer
    x = 135,659,569.65

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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.