Home / 220,546,970.40-330,820,455.60-91,111,562.40

Finding the Fourth Proportional to 220,546,970.40, 330,820,455.60 and 91,111,562.40

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Solution

The fourth proportional to 220,546,970.40, 330,820,455.60 and 91,111,562.40 is: 136,667,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,546,970.40 : 330,820,455.60 = 91,111,562.40 : x
  2. Step 2: Convert to fraction form
    220,546,970.40/330,820,455.60 = 91,111,562.40/x
  3. Step 3: Cross multiply
    220,546,970.40x = 330,820,455.60 × 91,111,562.40
  4. Step 4: Simplify right side
    220,546,970.40x = 30,141,568,583,595,832
  5. Step 5: Solve for x
    x = 30,141,568,583,595,832/220,546,970.40
  6. Step 6: Final answer
    x = 136,667,343.60

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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.