Home / 322,569,780.80-483,917,656.80-128,448,161.60

Finding the Fourth Proportional to 322,569,780.80, 483,917,656.80 and 128,448,161.60

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Solution

The fourth proportional to 322,569,780.80, 483,917,656.80 and 128,448,161.60 is: 192,697,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569,780.80 : 483,917,656.80 = 128,448,161.60 : x
  2. Step 2: Convert to fraction form
    322,569,780.80/483,917,656.80 = 128,448,161.60/x
  3. Step 3: Cross multiply
    322,569,780.80x = 483,917,656.80 × 128,448,161.60
  4. Step 4: Simplify right side
    322,569,780.80x = 62,158,333,381,739,736
  5. Step 5: Solve for x
    x = 62,158,333,381,739,736/322,569,780.80
  6. Step 6: Final answer
    x = 192,697,323.44

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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.