Home / 20,754,194,429.20-31,162,356,140.44-17,964,814,147.60

Finding the Fourth Proportional to 20,754,194,429.20, 31,162,356,140.44 and 17,964,814,147.60

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Solution

The fourth proportional to 20,754,194,429.20, 31,162,356,140.44 and 17,964,814,147.60 is: 26,974,110,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,194,429.20 : 31,162,356,140.44 = 17,964,814,147.60 : x
  2. Step 2: Convert to fraction form
    20,754,194,429.20/31,162,356,140.44 = 17,964,814,147.60/x
  3. Step 3: Cross multiply
    20,754,194,429.20x = 31,162,356,140.44 × 17,964,814,147.60
  4. Step 4: Simplify right side
    20,754,194,429.20x = 559,825,936,464,326,164,480
  5. Step 5: Solve for x
    x = 559,825,936,464,326,164,480/20,754,194,429.20
  6. Step 6: Final answer
    x = 26,974,110,624.92

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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.