Home / 57,462,982.20-86,236,463.70-40,456,870.20

Finding the Fourth Proportional to 57,462,982.20, 86,236,463.70 and 40,456,870.20

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Solution

The fourth proportional to 57,462,982.20, 86,236,463.70 and 40,456,870.20 is: 60,714,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,462,982.20 : 86,236,463.70 = 40,456,870.20 : x
  2. Step 2: Convert to fraction form
    57,462,982.20/86,236,463.70 = 40,456,870.20/x
  3. Step 3: Cross multiply
    57,462,982.20x = 86,236,463.70 × 40,456,870.20
  4. Step 4: Simplify right side
    57,462,982.20x = 3,488,857,418,417,912
  5. Step 5: Solve for x
    x = 3,488,857,418,417,912/57,462,982.20
  6. Step 6: Final answer
    x = 60,714,868.68

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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.