Home / 209,112,228,045.20-313,668,342,067.80-52,077,789,837.20

Finding the Fourth Proportional to 209,112,228,045.20, 313,668,342,067.80 and 52,077,789,837.20

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Solution

The fourth proportional to 209,112,228,045.20, 313,668,342,067.80 and 52,077,789,837.20 is: 78,116,684,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,112,228,045.20 : 313,668,342,067.80 = 52,077,789,837.20 : x
  2. Step 2: Convert to fraction form
    209,112,228,045.20/313,668,342,067.80 = 52,077,789,837.20/x
  3. Step 3: Cross multiply
    209,112,228,045.20x = 313,668,342,067.80 × 52,077,789,837.20
  4. Step 4: Simplify right side
    209,112,228,045.20x = 16,335,153,996,789,847,162,880
  5. Step 5: Solve for x
    x = 16,335,153,996,789,847,162,880/209,112,228,045.20
  6. Step 6: Final answer
    x = 78,116,684,755.80

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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.