Home / 79,296,264.70-118,950,755.30-30,135,669.48

Finding the Fourth Proportional to 79,296,264.70, 118,950,755.30 and 30,135,669.48

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Solution

The fourth proportional to 79,296,264.70, 118,950,755.30 and 30,135,669.48 is: 45,205,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,296,264.70 : 118,950,755.30 = 30,135,669.48 : x
  2. Step 2: Convert to fraction form
    79,296,264.70/118,950,755.30 = 30,135,669.48/x
  3. Step 3: Cross multiply
    79,296,264.70x = 118,950,755.30 × 30,135,669.48
  4. Step 4: Simplify right side
    79,296,264.70x = 3,584,660,646,117,158
  5. Step 5: Solve for x
    x = 3,584,660,646,117,158/79,296,264.70
  6. Step 6: Final answer
    x = 45,205,920.60

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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.