Home / 290,323,742.80-435,485,614.20-193,577,861.20

Finding the Fourth Proportional to 290,323,742.80, 435,485,614.20 and 193,577,861.20

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Solution

The fourth proportional to 290,323,742.80, 435,485,614.20 and 193,577,861.20 is: 290,366,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,323,742.80 : 435,485,614.20 = 193,577,861.20 : x
  2. Step 2: Convert to fraction form
    290,323,742.80/435,485,614.20 = 193,577,861.20/x
  3. Step 3: Cross multiply
    290,323,742.80x = 435,485,614.20 × 193,577,861.20
  4. Step 4: Simplify right side
    290,323,742.80x = 84,300,373,780,204,336
  5. Step 5: Solve for x
    x = 84,300,373,780,204,336/290,323,742.80
  6. Step 6: Final answer
    x = 290,366,791.80

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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.