Home / 79,992,938.38-119,989,407.60-22,485,209.54

Finding the Fourth Proportional to 79,992,938.38, 119,989,407.60 and 22,485,209.54

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Solution

The fourth proportional to 79,992,938.38, 119,989,407.60 and 22,485,209.54 is: 33,727,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,992,938.38 : 119,989,407.60 = 22,485,209.54 : x
  2. Step 2: Convert to fraction form
    79,992,938.38/119,989,407.60 = 22,485,209.54/x
  3. Step 3: Cross multiply
    79,992,938.38x = 119,989,407.60 × 22,485,209.54
  4. Step 4: Simplify right side
    79,992,938.38x = 2,697,986,972,354,042.50
  5. Step 5: Solve for x
    x = 2,697,986,972,354,042.50/79,992,938.38
  6. Step 6: Final answer
    x = 33,727,814.32

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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.