Home / 99,213,666.52-148,810,877.16-30,127,067.88

Finding the Fourth Proportional to 99,213,666.52, 148,810,877.16 and 30,127,067.88

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Solution

The fourth proportional to 99,213,666.52, 148,810,877.16 and 30,127,067.88 is: 45,187,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,666.52 : 148,810,877.16 = 30,127,067.88 : x
  2. Step 2: Convert to fraction form
    99,213,666.52/148,810,877.16 = 30,127,067.88/x
  3. Step 3: Cross multiply
    99,213,666.52x = 148,810,877.16 × 30,127,067.88
  4. Step 4: Simplify right side
    99,213,666.52x = 4,483,235,397,481,661.50
  5. Step 5: Solve for x
    x = 4,483,235,397,481,661.50/99,213,666.52
  6. Step 6: Final answer
    x = 45,187,679.83

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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.