Home / 61,930,832.40-92,893,296.15-20,986,255.80

Finding the Fourth Proportional to 61,930,832.40, 92,893,296.15 and 20,986,255.80

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Solution

The fourth proportional to 61,930,832.40, 92,893,296.15 and 20,986,255.80 is: 31,478,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930,832.40 : 92,893,296.15 = 20,986,255.80 : x
  2. Step 2: Convert to fraction form
    61,930,832.40/92,893,296.15 = 20,986,255.80/x
  3. Step 3: Cross multiply
    61,930,832.40x = 92,893,296.15 × 20,986,255.80
  4. Step 4: Simplify right side
    61,930,832.40x = 1,949,482,475,109,055.25
  5. Step 5: Solve for x
    x = 1,949,482,475,109,055.25/61,930,832.40
  6. Step 6: Final answer
    x = 31,478,383.21

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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.