Home / 67,299,055.20-100,716,339.60-40,392,021.60

Finding the Fourth Proportional to 67,299,055.20, 100,716,339.60 and 40,392,021.60

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Solution

The fourth proportional to 67,299,055.20, 100,716,339.60 and 40,392,021.60 is: 60,448,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,299,055.20 : 100,716,339.60 = 40,392,021.60 : x
  2. Step 2: Convert to fraction form
    67,299,055.20/100,716,339.60 = 40,392,021.60/x
  3. Step 3: Cross multiply
    67,299,055.20x = 100,716,339.60 × 40,392,021.60
  4. Step 4: Simplify right side
    67,299,055.20x = 4,068,136,564,596,135.50
  5. Step 5: Solve for x
    x = 4,068,136,564,596,135.50/67,299,055.20
  6. Step 6: Final answer
    x = 60,448,643.04

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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.