Home / 290,133,430.20-435,200,145.30-252,342,070.20

Finding the Fourth Proportional to 290,133,430.20, 435,200,145.30 and 252,342,070.20

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Solution

The fourth proportional to 290,133,430.20, 435,200,145.30 and 252,342,070.20 is: 378,513,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,133,430.20 : 435,200,145.30 = 252,342,070.20 : x
  2. Step 2: Convert to fraction form
    290,133,430.20/435,200,145.30 = 252,342,070.20/x
  3. Step 3: Cross multiply
    290,133,430.20x = 435,200,145.30 × 252,342,070.20
  4. Step 4: Simplify right side
    290,133,430.20x = 109,819,305,616,342,800
  5. Step 5: Solve for x
    x = 109,819,305,616,342,800/290,133,430.20
  6. Step 6: Final answer
    x = 378,513,105.30

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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.