Home / 106,857,998.40-160,286,997.60-72,845,774.40

Finding the Fourth Proportional to 106,857,998.40, 160,286,997.60 and 72,845,774.40

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Solution

The fourth proportional to 106,857,998.40, 160,286,997.60 and 72,845,774.40 is: 109,268,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,857,998.40 : 160,286,997.60 = 72,845,774.40 : x
  2. Step 2: Convert to fraction form
    106,857,998.40/160,286,997.60 = 72,845,774.40/x
  3. Step 3: Cross multiply
    106,857,998.40x = 160,286,997.60 × 72,845,774.40
  4. Step 4: Simplify right side
    106,857,998.40x = 11,676,230,466,422,942
  5. Step 5: Solve for x
    x = 11,676,230,466,422,942/106,857,998.40
  6. Step 6: Final answer
    x = 109,268,661.60

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1.5x scale

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.