Home / 51,287,220.60-76,930,830.90-15,385,428.60

Finding the Fourth Proportional to 51,287,220.60, 76,930,830.90 and 15,385,428.60

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Solution

The fourth proportional to 51,287,220.60, 76,930,830.90 and 15,385,428.60 is: 23,078,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287,220.60 : 76,930,830.90 = 15,385,428.60 : x
  2. Step 2: Convert to fraction form
    51,287,220.60/76,930,830.90 = 15,385,428.60/x
  3. Step 3: Cross multiply
    51,287,220.60x = 76,930,830.90 × 15,385,428.60
  4. Step 4: Simplify right side
    51,287,220.60x = 1,183,613,805,950,623.75
  5. Step 5: Solve for x
    x = 1,183,613,805,950,623.75/51,287,220.60
  6. Step 6: Final answer
    x = 23,078,142.90

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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.