Home / 45,781,520.30-68,672,280.45-39,616,804.70

Finding the Fourth Proportional to 45,781,520.30, 68,672,280.45 and 39,616,804.70

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Solution

The fourth proportional to 45,781,520.30, 68,672,280.45 and 39,616,804.70 is: 59,425,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781,520.30 : 68,672,280.45 = 39,616,804.70 : x
  2. Step 2: Convert to fraction form
    45,781,520.30/68,672,280.45 = 39,616,804.70/x
  3. Step 3: Cross multiply
    45,781,520.30x = 68,672,280.45 × 39,616,804.70
  4. Step 4: Simplify right side
    45,781,520.30x = 2,720,576,322,891,278.50
  5. Step 5: Solve for x
    x = 2,720,576,322,891,278.50/45,781,520.30
  6. Step 6: Final answer
    x = 59,425,207.05

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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.