Home / 122,476,643.80-183,714,965.70-100,935,568.60

Finding the Fourth Proportional to 122,476,643.80, 183,714,965.70 and 100,935,568.60

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Solution

The fourth proportional to 122,476,643.80, 183,714,965.70 and 100,935,568.60 is: 151,403,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476,643.80 : 183,714,965.70 = 100,935,568.60 : x
  2. Step 2: Convert to fraction form
    122,476,643.80/183,714,965.70 = 100,935,568.60/x
  3. Step 3: Cross multiply
    122,476,643.80x = 183,714,965.70 × 100,935,568.60
  4. Step 4: Simplify right side
    122,476,643.80x = 18,543,374,523,258,996
  5. Step 5: Solve for x
    x = 18,543,374,523,258,996/122,476,643.80
  6. Step 6: Final answer
    x = 151,403,352.90

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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.