Home / 142,157,668.20-213,236,500.70-34,452,292.20

Finding the Fourth Proportional to 142,157,668.20, 213,236,500.70 and 34,452,292.20

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Solution

The fourth proportional to 142,157,668.20, 213,236,500.70 and 34,452,292.20 is: 51,678,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,157,668.20 : 213,236,500.70 = 34,452,292.20 : x
  2. Step 2: Convert to fraction form
    142,157,668.20/213,236,500.70 = 34,452,292.20/x
  3. Step 3: Cross multiply
    142,157,668.20x = 213,236,500.70 × 34,452,292.20
  4. Step 4: Simplify right side
    142,157,668.20x = 7,346,486,229,821,905
  5. Step 5: Solve for x
    x = 7,346,486,229,821,905/142,157,668.20
  6. Step 6: Final answer
    x = 51,678,437.91

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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.