Home / 61,930,833.40-92,893,297.65-20,986,256.80

Finding the Fourth Proportional to 61,930,833.40, 92,893,297.65 and 20,986,256.80

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Solution

The fourth proportional to 61,930,833.40, 92,893,297.65 and 20,986,256.80 is: 31,478,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930,833.40 : 92,893,297.65 = 20,986,256.80 : x
  2. Step 2: Convert to fraction form
    61,930,833.40/92,893,297.65 = 20,986,256.80/x
  3. Step 3: Cross multiply
    61,930,833.40x = 92,893,297.65 × 20,986,256.80
  4. Step 4: Simplify right side
    61,930,833.40x = 1,949,482,599,481,736.75
  5. Step 5: Solve for x
    x = 1,949,482,599,481,736.75/61,930,833.40
  6. Step 6: Final answer
    x = 31,478,384.71

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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.