Home / 209,240,529.60-313,719,076.80-106,920,422.40

Finding the Fourth Proportional to 209,240,529.60, 313,719,076.80 and 106,920,422.40

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Solution

The fourth proportional to 209,240,529.60, 313,719,076.80 and 106,920,422.40 is: 160,308,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,240,529.60 : 313,719,076.80 = 106,920,422.40 : x
  2. Step 2: Convert to fraction form
    209,240,529.60/313,719,076.80 = 106,920,422.40/x
  3. Step 3: Cross multiply
    209,240,529.60x = 313,719,076.80 × 106,920,422.40
  4. Step 4: Simplify right side
    209,240,529.60x = 33,542,976,206,394,044
  5. Step 5: Solve for x
    x = 33,542,976,206,394,044/209,240,529.60
  6. Step 6: Final answer
    x = 160,308,216.91

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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.