Home / 104,976,103.80-157,464,155.70-76,086,708.60

Finding the Fourth Proportional to 104,976,103.80, 157,464,155.70 and 76,086,708.60

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Solution

The fourth proportional to 104,976,103.80, 157,464,155.70 and 76,086,708.60 is: 114,130,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,103.80 : 157,464,155.70 = 76,086,708.60 : x
  2. Step 2: Convert to fraction form
    104,976,103.80/157,464,155.70 = 76,086,708.60/x
  3. Step 3: Cross multiply
    104,976,103.80x = 157,464,155.70 × 76,086,708.60
  4. Step 4: Simplify right side
    104,976,103.80x = 11,980,929,329,690,928
  5. Step 5: Solve for x
    x = 11,980,929,329,690,928/104,976,103.80
  6. Step 6: Final answer
    x = 114,130,062.90

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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.