Home / 318,425,666.44-477,620,532.54-141,111,740.20

Finding the Fourth Proportional to 318,425,666.44, 477,620,532.54 and 141,111,740.20

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Solution

The fourth proportional to 318,425,666.44, 477,620,532.54 and 141,111,740.20 is: 211,659,648.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,425,666.44 : 477,620,532.54 = 141,111,740.20 : x
  2. Step 2: Convert to fraction form
    318,425,666.44/477,620,532.54 = 141,111,740.20/x
  3. Step 3: Cross multiply
    318,425,666.44x = 477,620,532.54 × 141,111,740.20
  4. Step 4: Simplify right side
    318,425,666.44x = 67,397,864,501,970,120
  5. Step 5: Solve for x
    x = 67,397,864,501,970,120/318,425,666.44
  6. Step 6: Final answer
    x = 211,659,648.09

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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.