Home / 71,208,208.20-106,765,656.30-28,051,408.20

Finding the Fourth Proportional to 71,208,208.20, 106,765,656.30 and 28,051,408.20

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Solution

The fourth proportional to 71,208,208.20, 106,765,656.30 and 28,051,408.20 is: 42,058,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208,208.20 : 106,765,656.30 = 28,051,408.20 : x
  2. Step 2: Convert to fraction form
    71,208,208.20/106,765,656.30 = 28,051,408.20/x
  3. Step 3: Cross multiply
    71,208,208.20x = 106,765,656.30 × 28,051,408.20
  4. Step 4: Simplify right side
    71,208,208.20x = 2,994,927,006,612,201.50
  5. Step 5: Solve for x
    x = 2,994,927,006,612,201.50/71,208,208.20
  6. Step 6: Final answer
    x = 42,058,732.87

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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.