Home / 322,569,623.80-483,917,421.30-128,448,004.60

Finding the Fourth Proportional to 322,569,623.80, 483,917,421.30 and 128,448,004.60

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Solution

The fourth proportional to 322,569,623.80, 483,917,421.30 and 128,448,004.60 is: 192,697,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569,623.80 : 483,917,421.30 = 128,448,004.60 : x
  2. Step 2: Convert to fraction form
    322,569,623.80/483,917,421.30 = 128,448,004.60/x
  3. Step 3: Cross multiply
    322,569,623.80x = 483,917,421.30 × 128,448,004.60
  4. Step 4: Simplify right side
    322,569,623.80x = 62,158,227,157,162,536
  5. Step 5: Solve for x
    x = 62,158,227,157,162,536/322,569,623.80
  6. Step 6: Final answer
    x = 192,697,087.92

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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.