Home / 55,145,471.70-82,718,207.55-16,808,892.60

Finding the Fourth Proportional to 55,145,471.70, 82,718,207.55 and 16,808,892.60

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Solution

The fourth proportional to 55,145,471.70, 82,718,207.55 and 16,808,892.60 is: 25,213,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145,471.70 : 82,718,207.55 = 16,808,892.60 : x
  2. Step 2: Convert to fraction form
    55,145,471.70/82,718,207.55 = 16,808,892.60/x
  3. Step 3: Cross multiply
    55,145,471.70x = 82,718,207.55 × 16,808,892.60
  4. Step 4: Simplify right side
    55,145,471.70x = 1,390,401,466,772,459.25
  5. Step 5: Solve for x
    x = 1,390,401,466,772,459.25/55,145,471.70
  6. Step 6: Final answer
    x = 25,213,338.90

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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.