Home / 209,953,820.80-314,930,731.20-95,162,564.80

Finding the Fourth Proportional to 209,953,820.80, 314,930,731.20 and 95,162,564.80

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Solution

The fourth proportional to 209,953,820.80, 314,930,731.20 and 95,162,564.80 is: 142,743,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,820.80 : 314,930,731.20 = 95,162,564.80 : x
  2. Step 2: Convert to fraction form
    209,953,820.80/314,930,731.20 = 95,162,564.80/x
  3. Step 3: Cross multiply
    209,953,820.80x = 314,930,731.20 × 95,162,564.80
  4. Step 4: Simplify right side
    209,953,820.80x = 29,969,616,115,331,380
  5. Step 5: Solve for x
    x = 29,969,616,115,331,380/209,953,820.80
  6. Step 6: Final answer
    x = 142,743,847.20

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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.