Home / 65,800,800.18-90,807,942.42-36,432,133.38

Finding the Fourth Proportional to 65,800,800.18, 90,807,942.42 and 36,432,133.38

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Solution

The fourth proportional to 65,800,800.18, 90,807,942.42 and 36,432,133.38 is: 50,277,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,800,800.18 : 90,807,942.42 = 36,432,133.38 : x
  2. Step 2: Convert to fraction form
    65,800,800.18/90,807,942.42 = 36,432,133.38/x
  3. Step 3: Cross multiply
    65,800,800.18x = 90,807,942.42 × 36,432,133.38
  4. Step 4: Simplify right side
    65,800,800.18x = 3,308,327,070,208,800.50
  5. Step 5: Solve for x
    x = 3,308,327,070,208,800.50/65,800,800.18
  6. Step 6: Final answer
    x = 50,277,915.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.