Home / 45,513,643.20-68,280,295.20-13,604,164.80

Finding the Fourth Proportional to 45,513,643.20, 68,280,295.20 and 13,604,164.80

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Solution

The fourth proportional to 45,513,643.20, 68,280,295.20 and 13,604,164.80 is: 20,409,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513,643.20 : 68,280,295.20 = 13,604,164.80 : x
  2. Step 2: Convert to fraction form
    45,513,643.20/68,280,295.20 = 13,604,164.80/x
  3. Step 3: Cross multiply
    45,513,643.20x = 68,280,295.20 × 13,604,164.80
  4. Step 4: Simplify right side
    45,513,643.20x = 928,896,388,493,449
  5. Step 5: Solve for x
    x = 928,896,388,493,449/45,513,643.20
  6. Step 6: Final answer
    x = 20,409,185.54

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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.