Home / 45,969,819.40-68,954,729.10-15,678,670.60

Finding the Fourth Proportional to 45,969,819.40, 68,954,729.10 and 15,678,670.60

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Solution

The fourth proportional to 45,969,819.40, 68,954,729.10 and 15,678,670.60 is: 23,518,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969,819.40 : 68,954,729.10 = 15,678,670.60 : x
  2. Step 2: Convert to fraction form
    45,969,819.40/68,954,729.10 = 15,678,670.60/x
  3. Step 3: Cross multiply
    45,969,819.40x = 68,954,729.10 × 15,678,670.60
  4. Step 4: Simplify right side
    45,969,819.40x = 1,081,118,483,871,134.38
  5. Step 5: Solve for x
    x = 1,081,118,483,871,134.38/45,969,819.40
  6. Step 6: Final answer
    x = 23,518,005.90

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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.