Home / 66,374,101.20-99,575,148.60-28,015,870.80

Finding the Fourth Proportional to 66,374,101.20, 99,575,148.60 and 28,015,870.80

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Solution

The fourth proportional to 66,374,101.20, 99,575,148.60 and 28,015,870.80 is: 42,029,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,374,101.20 : 99,575,148.60 = 28,015,870.80 : x
  2. Step 2: Convert to fraction form
    66,374,101.20/99,575,148.60 = 28,015,870.80/x
  3. Step 3: Cross multiply
    66,374,101.20x = 99,575,148.60 × 28,015,870.80
  4. Step 4: Simplify right side
    66,374,101.20x = 2,789,684,498,068,401
  5. Step 5: Solve for x
    x = 2,789,684,498,068,401/66,374,101.20
  6. Step 6: Final answer
    x = 42,029,714.11

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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.