Home / 200,752,172.40-301,142,651.76-84,050,090.76

Finding the Fourth Proportional to 200,752,172.40, 301,142,651.76 and 84,050,090.76

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Solution

The fourth proportional to 200,752,172.40, 301,142,651.76 and 84,050,090.76 is: 126,081,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,752,172.40 : 301,142,651.76 = 84,050,090.76 : x
  2. Step 2: Convert to fraction form
    200,752,172.40/301,142,651.76 = 84,050,090.76/x
  3. Step 3: Cross multiply
    200,752,172.40x = 301,142,651.76 × 84,050,090.76
  4. Step 4: Simplify right side
    200,752,172.40x = 25,311,067,212,135,076
  5. Step 5: Solve for x
    x = 25,311,067,212,135,076/200,752,172.40
  6. Step 6: Final answer
    x = 126,081,162.21

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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.