Home / 154,464,304.08-213,100,664.52-87,467,882.80

Finding the Fourth Proportional to 154,464,304.08, 213,100,664.52 and 87,467,882.80

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Solution

The fourth proportional to 154,464,304.08, 213,100,664.52 and 87,467,882.80 is: 120,671,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,464,304.08 : 213,100,664.52 = 87,467,882.80 : x
  2. Step 2: Convert to fraction form
    154,464,304.08/213,100,664.52 = 87,467,882.80/x
  3. Step 3: Cross multiply
    154,464,304.08x = 213,100,664.52 × 87,467,882.80
  4. Step 4: Simplify right side
    154,464,304.08x = 18,639,463,948,837,480
  5. Step 5: Solve for x
    x = 18,639,463,948,837,480/154,464,304.08
  6. Step 6: Final answer
    x = 120,671,659.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.