Home / 45,706,890.21-68,544,392.06-20,133,949.29

Finding the Fourth Proportional to 45,706,890.21, 68,544,392.06 and 20,133,949.29

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Solution

The fourth proportional to 45,706,890.21, 68,544,392.06 and 20,133,949.29 is: 30,193,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706,890.21 : 68,544,392.06 = 20,133,949.29 : x
  2. Step 2: Convert to fraction form
    45,706,890.21/68,544,392.06 = 20,133,949.29/x
  3. Step 3: Cross multiply
    45,706,890.21x = 68,544,392.06 × 20,133,949.29
  4. Step 4: Simplify right side
    45,706,890.21x = 1,380,069,313,643,212
  5. Step 5: Solve for x
    x = 1,380,069,313,643,212/45,706,890.21
  6. Step 6: Final answer
    x = 30,193,900.91

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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.