Home / 199,629,228.20-299,421,723.90-163,664,709.80

Finding the Fourth Proportional to 199,629,228.20, 299,421,723.90 and 163,664,709.80

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Solution

The fourth proportional to 199,629,228.20, 299,421,723.90 and 163,664,709.80 is: 245,478,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,629,228.20 : 299,421,723.90 = 163,664,709.80 : x
  2. Step 2: Convert to fraction form
    199,629,228.20/299,421,723.90 = 163,664,709.80/x
  3. Step 3: Cross multiply
    199,629,228.20x = 299,421,723.90 × 163,664,709.80
  4. Step 4: Simplify right side
    199,629,228.20x = 49,004,769,549,909,224
  5. Step 5: Solve for x
    x = 49,004,769,549,909,224/199,629,228.20
  6. Step 6: Final answer
    x = 245,478,931.08

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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.