Home / 61,238,318.40-91,857,477.60-50,467,780.80

Finding the Fourth Proportional to 61,238,318.40, 91,857,477.60 and 50,467,780.80

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Solution

The fourth proportional to 61,238,318.40, 91,857,477.60 and 50,467,780.80 is: 75,701,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,318.40 : 91,857,477.60 = 50,467,780.80 : x
  2. Step 2: Convert to fraction form
    61,238,318.40/91,857,477.60 = 50,467,780.80/x
  3. Step 3: Cross multiply
    61,238,318.40x = 91,857,477.60 × 50,467,780.80
  4. Step 4: Simplify right side
    61,238,318.40x = 4,635,843,044,357,710
  5. Step 5: Solve for x
    x = 4,635,843,044,357,710/61,238,318.40
  6. Step 6: Final answer
    x = 75,701,671.20

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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.