Home / 75,705,680.76-113,559,432-21,114,942.24

Finding the Fourth Proportional to 75,705,680.76, 113,559,432 and 21,114,942.24

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Solution

The fourth proportional to 75,705,680.76, 113,559,432 and 21,114,942.24 is: 31,672,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,705,680.76 : 113,559,432 = 21,114,942.24 : x
  2. Step 2: Convert to fraction form
    75,705,680.76/113,559,432 = 21,114,942.24/x
  3. Step 3: Cross multiply
    75,705,680.76x = 113,559,432 × 21,114,942.24
  4. Step 4: Simplify right side
    75,705,680.76x = 2,397,800,847,487,207.50
  5. Step 5: Solve for x
    x = 2,397,800,847,487,207.50/75,705,680.76
  6. Step 6: Final answer
    x = 31,672,667.41

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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.