Home / 74,685,486.40-112,028,229.60-68,945,923.60

Finding the Fourth Proportional to 74,685,486.40, 112,028,229.60 and 68,945,923.60

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Solution

The fourth proportional to 74,685,486.40, 112,028,229.60 and 68,945,923.60 is: 103,418,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,685,486.40 : 112,028,229.60 = 68,945,923.60 : x
  2. Step 2: Convert to fraction form
    74,685,486.40/112,028,229.60 = 68,945,923.60/x
  3. Step 3: Cross multiply
    74,685,486.40x = 112,028,229.60 × 68,945,923.60
  4. Step 4: Simplify right side
    74,685,486.40x = 7,723,889,759,044,857
  5. Step 5: Solve for x
    x = 7,723,889,759,044,857/74,685,486.40
  6. Step 6: Final answer
    x = 103,418,885.40

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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.