Home / 43,700,439.90-65,494,672.65-38,885,540.70

Finding the Fourth Proportional to 43,700,439.90, 65,494,672.65 and 38,885,540.70

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Solution

The fourth proportional to 43,700,439.90, 65,494,672.65 and 38,885,540.70 is: 58,278,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700,439.90 : 65,494,672.65 = 38,885,540.70 : x
  2. Step 2: Convert to fraction form
    43,700,439.90/65,494,672.65 = 38,885,540.70/x
  3. Step 3: Cross multiply
    43,700,439.90x = 65,494,672.65 × 38,885,540.70
  4. Step 4: Simplify right side
    43,700,439.90x = 2,546,795,758,964,752
  5. Step 5: Solve for x
    x = 2,546,795,758,964,752/43,700,439.90
  6. Step 6: Final answer
    x = 58,278,492.50

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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.