Home / 71,743,574,420.80-107,615,361,631.20-34,469,578,139.20

Finding the Fourth Proportional to 71,743,574,420.80, 107,615,361,631.20 and 34,469,578,139.20

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Solution

The fourth proportional to 71,743,574,420.80, 107,615,361,631.20 and 34,469,578,139.20 is: 51,704,367,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,743,574,420.80 : 107,615,361,631.20 = 34,469,578,139.20 : x
  2. Step 2: Convert to fraction form
    71,743,574,420.80/107,615,361,631.20 = 34,469,578,139.20/x
  3. Step 3: Cross multiply
    71,743,574,420.80x = 107,615,361,631.20 × 34,469,578,139.20
  4. Step 4: Simplify right side
    71,743,574,420.80x = 3,709,456,116,724,913,405,952
  5. Step 5: Solve for x
    x = 3,709,456,116,724,913,405,952/71,743,574,420.80
  6. Step 6: Final answer
    x = 51,704,367,208.80

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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.