Home / 154,308,809.52-212,945,874.36-88,230,548.64

Finding the Fourth Proportional to 154,308,809.52, 212,945,874.36 and 88,230,548.64

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Solution

The fourth proportional to 154,308,809.52, 212,945,874.36 and 88,230,548.64 is: 121,757,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,308,809.52 : 212,945,874.36 = 88,230,548.64 : x
  2. Step 2: Convert to fraction form
    154,308,809.52/212,945,874.36 = 88,230,548.64/x
  3. Step 3: Cross multiply
    154,308,809.52x = 212,945,874.36 × 88,230,548.64
  4. Step 4: Simplify right side
    154,308,809.52x = 18,788,331,325,407,312
  5. Step 5: Solve for x
    x = 18,788,331,325,407,312/154,308,809.52
  6. Step 6: Final answer
    x = 121,757,995.44

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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.