Home / 207,850,732.40-311,850,748.20-200,385,772.40

Finding the Fourth Proportional to 207,850,732.40, 311,850,748.20 and 200,385,772.40

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Solution

The fourth proportional to 207,850,732.40, 311,850,748.20 and 200,385,772.40 is: 300,650,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,850,732.40 : 311,850,748.20 = 200,385,772.40 : x
  2. Step 2: Convert to fraction form
    207,850,732.40/311,850,748.20 = 200,385,772.40/x
  3. Step 3: Cross multiply
    207,850,732.40x = 311,850,748.20 × 200,385,772.40
  4. Step 4: Simplify right side
    207,850,732.40x = 62,490,453,051,574,912
  5. Step 5: Solve for x
    x = 62,490,453,051,574,912/207,850,732.40
  6. Step 6: Final answer
    x = 300,650,627.16

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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.