Home / 61,238,840.20-91,732,289.10-42,091,217.80

Finding the Fourth Proportional to 61,238,840.20, 91,732,289.10 and 42,091,217.80

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Solution

The fourth proportional to 61,238,840.20, 91,732,289.10 and 42,091,217.80 is: 63,050,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,840.20 : 91,732,289.10 = 42,091,217.80 : x
  2. Step 2: Convert to fraction form
    61,238,840.20/91,732,289.10 = 42,091,217.80/x
  3. Step 3: Cross multiply
    61,238,840.20x = 91,732,289.10 × 42,091,217.80
  4. Step 4: Simplify right side
    61,238,840.20x = 3,861,123,759,800,665.50
  5. Step 5: Solve for x
    x = 3,861,123,759,800,665.50/61,238,840.20
  6. Step 6: Final answer
    x = 63,050,243.07

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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.