Home / 134,466,620.44-201,546,928.90-81,828,195.69

Finding the Fourth Proportional to 134,466,620.44, 201,546,928.90 and 81,828,195.69

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Solution

The fourth proportional to 134,466,620.44, 201,546,928.90 and 81,828,195.69 is: 122,649,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,466,620.44 : 201,546,928.90 = 81,828,195.69 : x
  2. Step 2: Convert to fraction form
    134,466,620.44/201,546,928.90 = 81,828,195.69/x
  3. Step 3: Cross multiply
    134,466,620.44x = 201,546,928.90 × 81,828,195.69
  4. Step 4: Simplify right side
    134,466,620.44x = 16,492,221,538,543,146
  5. Step 5: Solve for x
    x = 16,492,221,538,543,146/134,466,620.44
  6. Step 6: Final answer
    x = 122,649,185.98

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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.