Home / 91,718,370,847.20-137,513,591,886.24-40,638,885,890.88

Finding the Fourth Proportional to 91,718,370,847.20, 137,513,591,886.24 and 40,638,885,890.88

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Solution

The fourth proportional to 91,718,370,847.20, 137,513,591,886.24 and 40,638,885,890.88 is: 60,929,987,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,718,370,847.20 : 137,513,591,886.24 = 40,638,885,890.88 : x
  2. Step 2: Convert to fraction form
    91,718,370,847.20/137,513,591,886.24 = 40,638,885,890.88/x
  3. Step 3: Cross multiply
    91,718,370,847.20x = 137,513,591,886.24 × 40,638,885,890.88
  4. Step 4: Simplify right side
    91,718,370,847.20x = 5,588,399,169,109,948,891,136
  5. Step 5: Solve for x
    x = 5,588,399,169,109,948,891,136/91,718,370,847.20
  6. Step 6: Final answer
    x = 60,929,987,280.52

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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.