Home / 208,384,812.04-312,605,962.04-120,987,488.56

Finding the Fourth Proportional to 208,384,812.04, 312,605,962.04 and 120,987,488.56

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Solution

The fourth proportional to 208,384,812.04, 312,605,962.04 and 120,987,488.56 is: 181,497,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,384,812.04 : 312,605,962.04 = 120,987,488.56 : x
  2. Step 2: Convert to fraction form
    208,384,812.04/312,605,962.04 = 120,987,488.56/x
  3. Step 3: Cross multiply
    208,384,812.04x = 312,605,962.04 × 120,987,488.56
  4. Step 4: Simplify right side
    208,384,812.04x = 37,821,410,256,102,296
  5. Step 5: Solve for x
    x = 37,821,410,256,102,296/208,384,812.04
  6. Step 6: Final answer
    x = 181,497,921.49

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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.