Home / 79,296,263.21-118,950,753.06-30,135,667.98

Finding the Fourth Proportional to 79,296,263.21, 118,950,753.06 and 30,135,667.98

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Solution

The fourth proportional to 79,296,263.21, 118,950,753.06 and 30,135,667.98 is: 45,205,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,296,263.21 : 118,950,753.06 = 30,135,667.98 : x
  2. Step 2: Convert to fraction form
    79,296,263.21/118,950,753.06 = 30,135,667.98/x
  3. Step 3: Cross multiply
    79,296,263.21x = 118,950,753.06 × 30,135,667.98
  4. Step 4: Simplify right side
    79,296,263.21x = 3,584,660,400,036,451
  5. Step 5: Solve for x
    x = 3,584,660,400,036,451/79,296,263.21
  6. Step 6: Final answer
    x = 45,205,918.35

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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.