Home / 372,808,336.68-559,212,021.18-100,179,109.80

Finding the Fourth Proportional to 372,808,336.68, 559,212,021.18 and 100,179,109.80

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Solution

The fourth proportional to 372,808,336.68, 559,212,021.18 and 100,179,109.80 is: 150,268,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,808,336.68 : 559,212,021.18 = 100,179,109.80 : x
  2. Step 2: Convert to fraction form
    372,808,336.68/559,212,021.18 = 100,179,109.80/x
  3. Step 3: Cross multiply
    372,808,336.68x = 559,212,021.18 × 100,179,109.80
  4. Step 4: Simplify right side
    372,808,336.68x = 56,021,362,471,271,136
  5. Step 5: Solve for x
    x = 56,021,362,471,271,136/372,808,336.68
  6. Step 6: Final answer
    x = 150,268,534.69

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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.