Home / 45,781,520.80-68,672,281.20-39,616,805.20

Finding the Fourth Proportional to 45,781,520.80, 68,672,281.20 and 39,616,805.20

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Solution

The fourth proportional to 45,781,520.80, 68,672,281.20 and 39,616,805.20 is: 59,425,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781,520.80 : 68,672,281.20 = 39,616,805.20 : x
  2. Step 2: Convert to fraction form
    45,781,520.80/68,672,281.20 = 39,616,805.20/x
  3. Step 3: Cross multiply
    45,781,520.80x = 68,672,281.20 × 39,616,805.20
  4. Step 4: Simplify right side
    45,781,520.80x = 2,720,576,386,940,022.50
  5. Step 5: Solve for x
    x = 2,720,576,386,940,022.50/45,781,520.80
  6. Step 6: Final answer
    x = 59,425,207.80

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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.