Home / 65,412,772.41-90,271,551.47-36,045,996.68

Finding the Fourth Proportional to 65,412,772.41, 90,271,551.47 and 36,045,996.68

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Solution

The fourth proportional to 65,412,772.41, 90,271,551.47 and 36,045,996.68 is: 49,744,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,412,772.41 : 90,271,551.47 = 36,045,996.68 : x
  2. Step 2: Convert to fraction form
    65,412,772.41/90,271,551.47 = 36,045,996.68/x
  3. Step 3: Cross multiply
    65,412,772.41x = 90,271,551.47 × 36,045,996.68
  4. Step 4: Simplify right side
    65,412,772.41x = 3,253,928,043,954,481
  5. Step 5: Solve for x
    x = 3,253,928,043,954,481/65,412,772.41
  6. Step 6: Final answer
    x = 49,744,536.49

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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.