Home / 158,027,213.80-218,086,017.06-88,408,443.88

Finding the Fourth Proportional to 158,027,213.80, 218,086,017.06 and 88,408,443.88

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Solution

The fourth proportional to 158,027,213.80, 218,086,017.06 and 88,408,443.88 is: 122,008,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,027,213.80 : 218,086,017.06 = 88,408,443.88 : x
  2. Step 2: Convert to fraction form
    158,027,213.80/218,086,017.06 = 88,408,443.88/x
  3. Step 3: Cross multiply
    158,027,213.80x = 218,086,017.06 × 88,408,443.88
  4. Step 4: Simplify right side
    158,027,213.80x = 19,280,645,400,261,732
  5. Step 5: Solve for x
    x = 19,280,645,400,261,732/158,027,213.80
  6. Step 6: Final answer
    x = 122,008,386.64

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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.