Home / 104,976,103.10-157,464,154.65-87,969,991.10

Finding the Fourth Proportional to 104,976,103.10, 157,464,154.65 and 87,969,991.10

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Solution

The fourth proportional to 104,976,103.10, 157,464,154.65 and 87,969,991.10 is: 131,954,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,103.10 : 157,464,154.65 = 87,969,991.10 : x
  2. Step 2: Convert to fraction form
    104,976,103.10/157,464,154.65 = 87,969,991.10/x
  3. Step 3: Cross multiply
    104,976,103.10x = 157,464,154.65 × 87,969,991.10
  4. Step 4: Simplify right side
    104,976,103.10x = 13,852,120,283,129,524
  5. Step 5: Solve for x
    x = 13,852,120,283,129,524/104,976,103.10
  6. Step 6: Final answer
    x = 131,954,986.65

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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.