Home / 84,735,732.40-127,115,408.40-36,213,200.80

Finding the Fourth Proportional to 84,735,732.40, 127,115,408.40 and 36,213,200.80

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Solution

The fourth proportional to 84,735,732.40, 127,115,408.40 and 36,213,200.80 is: 54,324,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735,732.40 : 127,115,408.40 = 36,213,200.80 : x
  2. Step 2: Convert to fraction form
    84,735,732.40/127,115,408.40 = 36,213,200.80/x
  3. Step 3: Cross multiply
    84,735,732.40x = 127,115,408.40 × 36,213,200.80
  4. Step 4: Simplify right side
    84,735,732.40x = 4,603,255,809,163,207
  5. Step 5: Solve for x
    x = 4,603,255,809,163,207/84,735,732.40
  6. Step 6: Final answer
    x = 54,324,848.31

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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.