Home / 76,944,662.03-115,417,222.67-18,652,108.88

Finding the Fourth Proportional to 76,944,662.03, 115,417,222.67 and 18,652,108.88

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Solution

The fourth proportional to 76,944,662.03, 115,417,222.67 and 18,652,108.88 is: 27,978,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944,662.03 : 115,417,222.67 = 18,652,108.88 : x
  2. Step 2: Convert to fraction form
    76,944,662.03/115,417,222.67 = 18,652,108.88/x
  3. Step 3: Cross multiply
    76,944,662.03x = 115,417,222.67 × 18,652,108.88
  4. Step 4: Simplify right side
    76,944,662.03x = 2,152,774,603,868,044.25
  5. Step 5: Solve for x
    x = 2,152,774,603,868,044.25/76,944,662.03
  6. Step 6: Final answer
    x = 27,978,218.98

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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.