Home / 80,720,859-111,394,756.13-44,051,430

Finding the Fourth Proportional to 80,720,859, 111,394,756.13 and 44,051,430

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Solution

The fourth proportional to 80,720,859, 111,394,756.13 and 44,051,430 is: 60,790,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,720,859 : 111,394,756.13 = 44,051,430 : x
  2. Step 2: Convert to fraction form
    80,720,859/111,394,756.13 = 44,051,430/x
  3. Step 3: Cross multiply
    80,720,859x = 111,394,756.13 × 44,051,430
  4. Step 4: Simplify right side
    80,720,859x = 4,907,098,301,807,509
  5. Step 5: Solve for x
    x = 4,907,098,301,807,509/80,720,859
  6. Step 6: Final answer
    x = 60,790,957.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.