Home / 71,216,888.88-106,810,384.77-20,086,950.54

Finding the Fourth Proportional to 71,216,888.88, 106,810,384.77 and 20,086,950.54

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Solution

The fourth proportional to 71,216,888.88, 106,810,384.77 and 20,086,950.54 is: 30,126,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,216,888.88 : 106,810,384.77 = 20,086,950.54 : x
  2. Step 2: Convert to fraction form
    71,216,888.88/106,810,384.77 = 20,086,950.54/x
  3. Step 3: Cross multiply
    71,216,888.88x = 106,810,384.77 × 20,086,950.54
  4. Step 4: Simplify right side
    71,216,888.88x = 2,145,494,916,033,359
  5. Step 5: Solve for x
    x = 2,145,494,916,033,359/71,216,888.88
  6. Step 6: Final answer
    x = 30,126,209.52

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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.