Home / 144,873,313.60-217,309,970.40-47,843,996.80

Finding the Fourth Proportional to 144,873,313.60, 217,309,970.40 and 47,843,996.80

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Solution

The fourth proportional to 144,873,313.60, 217,309,970.40 and 47,843,996.80 is: 71,765,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,873,313.60 : 217,309,970.40 = 47,843,996.80 : x
  2. Step 2: Convert to fraction form
    144,873,313.60/217,309,970.40 = 47,843,996.80/x
  3. Step 3: Cross multiply
    144,873,313.60x = 217,309,970.40 × 47,843,996.80
  4. Step 4: Simplify right side
    144,873,313.60x = 10,396,977,528,425,694
  5. Step 5: Solve for x
    x = 10,396,977,528,425,694/144,873,313.60
  6. Step 6: Final answer
    x = 71,765,995.20

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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.