Home / 45,513,679.20-68,280,349.20-13,604,200.80

Finding the Fourth Proportional to 45,513,679.20, 68,280,349.20 and 13,604,200.80

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Solution

The fourth proportional to 45,513,679.20, 68,280,349.20 and 13,604,200.80 is: 20,409,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513,679.20 : 68,280,349.20 = 13,604,200.80 : x
  2. Step 2: Convert to fraction form
    45,513,679.20/68,280,349.20 = 13,604,200.80/x
  3. Step 3: Cross multiply
    45,513,679.20x = 68,280,349.20 × 13,604,200.80
  4. Step 4: Simplify right side
    45,513,679.20x = 928,899,581,210,919.50
  5. Step 5: Solve for x
    x = 928,899,581,210,919.50/45,513,679.20
  6. Step 6: Final answer
    x = 20,409,239.54

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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.