Home / 72,226,982.43-108,155,504.48-39,842,892.45

Finding the Fourth Proportional to 72,226,982.43, 108,155,504.48 and 39,842,892.45

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Solution

The fourth proportional to 72,226,982.43, 108,155,504.48 and 39,842,892.45 is: 59,662,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,226,982.43 : 108,155,504.48 = 39,842,892.45 : x
  2. Step 2: Convert to fraction form
    72,226,982.43/108,155,504.48 = 39,842,892.45/x
  3. Step 3: Cross multiply
    72,226,982.43x = 108,155,504.48 × 39,842,892.45
  4. Step 4: Simplify right side
    72,226,982.43x = 4,309,228,132,672,919
  5. Step 5: Solve for x
    x = 4,309,228,132,672,919/72,226,982.43
  6. Step 6: Final answer
    x = 59,662,303.31

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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.