Home / 90,630,379.17-125,065,576.67-51,466,982.85

Finding the Fourth Proportional to 90,630,379.17, 125,065,576.67 and 51,466,982.85

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Solution

The fourth proportional to 90,630,379.17, 125,065,576.67 and 51,466,982.85 is: 71,021,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,630,379.17 : 125,065,576.67 = 51,466,982.85 : x
  2. Step 2: Convert to fraction form
    90,630,379.17/125,065,576.67 = 51,466,982.85/x
  3. Step 3: Cross multiply
    90,630,379.17x = 125,065,576.67 × 51,466,982.85
  4. Step 4: Simplify right side
    90,630,379.17x = 6,436,747,889,342,916
  5. Step 5: Solve for x
    x = 6,436,747,889,342,916/90,630,379.17
  6. Step 6: Final answer
    x = 71,021,968.00

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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.