Home / 45,781,497.80-68,672,246.70-39,616,782.20

Finding the Fourth Proportional to 45,781,497.80, 68,672,246.70 and 39,616,782.20

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Solution

The fourth proportional to 45,781,497.80, 68,672,246.70 and 39,616,782.20 is: 59,425,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781,497.80 : 68,672,246.70 = 39,616,782.20 : x
  2. Step 2: Convert to fraction form
    45,781,497.80/68,672,246.70 = 39,616,782.20/x
  3. Step 3: Cross multiply
    45,781,497.80x = 68,672,246.70 × 39,616,782.20
  4. Step 4: Simplify right side
    45,781,497.80x = 2,720,573,440,698,569
  5. Step 5: Solve for x
    x = 2,720,573,440,698,569/45,781,497.80
  6. Step 6: Final answer
    x = 59,425,173.30

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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.